/* roulang page: index */
:root{
  --bg-deep:#070B1C;
  --bg-base:#0C1226;
  --surface-1:#121A34;
  --surface-2:#17203F;
  --brand:#3A6FF7;
  --brand-2:#2FD9C5;
  --accent:#FF7A45;
  --text-1:#EDF2FF;
  --text-2:#A7B3D4;
  --text-3:#6B7899;
  --ok:#34D399;
  --warn:#FFB020;
  --err:#FF5C5C;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --glass:rgba(255,255,255,.055);
  --radius:18px;
  --radius-sm:12px;
  --pill:999px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-soft:0 10px 24px rgba(0,0,0,.32);
  --glow-brand:0 8px 28px rgba(58,111,247,.35);
  --glow-accent:0 10px 26px rgba(255,122,69,.32);
  --ease:cubic-bezier(.2,.8,.2,1);
  --container:1200px;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background-color:var(--bg-base);
  background-image:
    radial-gradient(1100px 620px at 82% -6%, rgba(58,111,247,.20), transparent 62%),
    radial-gradient(760px 460px at 6% 12%, rgba(47,217,197,.10), transparent 66%),
    linear-gradient(180deg,#0C1226 0%,#0A1022 46%,#070B1C 100%);
  background-repeat:no-repeat;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:0;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--brand-2);}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5,h6{
  margin:0 0 .5em;
  color:var(--text-1);
  font-weight:700;
  line-height:1.25;
  letter-spacing:0;
}
h1{font-size:2.9rem;}
h2{font-size:1.95rem;}
h3{font-size:1.3rem;}
h4{font-size:1.06rem;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;}
::selection{background:rgba(58,111,247,.45);color:#fff;}

.grid-container{max-width:var(--container);}
@media screen and (min-width:1440px){
  .grid-container{max-width:1280px;}
}
.ss-section{padding:88px 0;}
.ss-section--tight{padding:64px 0;}
.ss-section--alt{background:linear-gradient(180deg,rgba(18,26,52,.72),rgba(12,18,38,.28));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.ss-section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.ss-section__head--center{flex-direction:column;align-items:center;text-align:center;}
.ss-section__eyebrow{
  display:inline-block;
  font-size:.82rem;
  letter-spacing:.14em;
  color:var(--brand-2);
  margin-bottom:10px;
  text-transform:uppercase;
}
.ss-section__title{font-size:1.95rem;margin:0 0 8px;}
.ss-section__desc{color:var(--text-2);font-size:.98rem;margin:0;max-width:720px;}
.ss-link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-2);font-size:.95rem;white-space:nowrap;
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.ss-link-more:hover{border-bottom-color:var(--brand-2);}

/* ---------- 公告条 ---------- */
.ss-notice{
  background:linear-gradient(90deg,rgba(58,111,247,.22),rgba(7,11,28,.9));
  border-bottom:1px solid var(--line);
  font-size:.86rem;
  color:var(--text-2);
}
.ss-notice__inner{display:flex;align-items:center;justify-content:center;gap:12px;min-height:40px;position:relative;}
.ss-notice strong{color:var(--brand-2);font-weight:600;}
.ss-notice__close{
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:50%;
  background:transparent;border:1px solid var(--line);
  color:var(--text-3);cursor:pointer;line-height:1;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.ss-notice__close:hover{color:var(--brand-2);border-color:var(--brand-2);}

/* ---------- 导航 ---------- */
.ss-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,11,28,.76);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.ss-nav{display:flex;align-items:center;gap:18px;height:72px;}
.ss-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.ss-logo__mark{
  width:34px;height:34px;border-radius:11px;
  background:linear-gradient(140deg,var(--brand),#1B3FB0 62%,#0B1230);
  box-shadow:var(--glow-brand);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:.9rem;
}
.ss-logo__text{display:flex;flex-direction:column;line-height:1.15;}
.ss-logo__name{font-size:1.06rem;font-weight:700;letter-spacing:-.2px;}
.ss-logo__sub{font-size:.7rem;color:var(--text-3);letter-spacing:.16em;}
.ss-nav__menu{display:flex;align-items:center;gap:4px;flex:1 1 auto;}
.ss-nav__link{
  position:relative;display:inline-flex;align-items:center;
  height:72px;padding:0 14px;
  font-size:.96rem;color:var(--text-2);
  transition:color .2s var(--ease);
}
.ss-nav__link:hover{color:var(--text-1);}
.ss-nav__link.is-active{color:var(--text-1);}
.ss-nav__link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  background:var(--brand-2);border-radius:2px;
  box-shadow:0 0 0 1px rgba(47,217,197,.35);
}
.ss-nav__side{display:flex;align-items:center;gap:12px;flex:0 0 auto;}

.ss-mega-wrap{position:relative;}
.ss-mega-toggle{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;border-radius:var(--pill);
  background:var(--glass);border:1px solid var(--line);
  color:var(--text-1);font-size:.92rem;cursor:pointer;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.ss-mega-toggle:hover{border-color:var(--brand-2);transform:translateY(-2px);}
.ss-mega-toggle i{font-size:.8rem;transition:transform .2s var(--ease);}
.ss-mega-wrap.is-open .ss-mega-toggle{border-color:var(--brand-2);}
.ss-mega-wrap.is-open .ss-mega-toggle i{transform:rotate(180deg);}
.ss-mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);
  width:880px;max-width:calc(100vw - 40px);
  padding:26px;
  border-radius:20px;
  background:rgba(18,26,52,.92);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s;
}
.ss-mega-wrap.is-open .ss-mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.ss-mega-grid{display:grid;grid-template-columns:1.15fr 1fr .9fr;gap:24px;}
.ss-mega-title{font-size:.8rem;letter-spacing:.12em;color:var(--text-3);margin-bottom:12px;}
.ss-mega-list li{margin-bottom:6px;}
.ss-mega-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:8px 10px;border-radius:10px;
  font-size:.92rem;color:var(--text-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.ss-mega-list a:hover{background:rgba(255,255,255,.06);color:var(--brand-2);}
.ss-mega-count{font-size:.76rem;color:var(--text-3);font-family:var(--mono);}
.ss-mega-news li{padding:9px 0;border-bottom:1px dashed var(--line);}
.ss-mega-news li:last-child{border-bottom:0;}
.ss-mega-news a{display:block;font-size:.92rem;color:var(--text-2);line-height:1.6;}
.ss-mega-news a:hover{color:var(--brand-2);}
.ss-mega-news time{display:block;font-size:.76rem;color:var(--text-3);margin-top:4px;}
.ss-mega-entry{
  display:block;border-radius:14px;overflow:hidden;position:relative;
  border:1px solid var(--line);background:var(--surface-2);
}
.ss-mega-entry img{width:100%;height:132px;object-fit:cover;transition:transform .3s var(--ease);}
.ss-mega-entry:hover img{transform:scale(1.05);}
.ss-mega-entry__body{padding:12px 14px;}
.ss-mega-entry__body strong{display:block;font-size:.94rem;margin-bottom:4px;}
.ss-mega-entry__body span{font-size:.8rem;color:var(--brand-2);}

.ss-burger{
  display:none;width:44px;height:44px;border-radius:12px;
  background:var(--glass);border:1px solid var(--line);
  color:var(--text-1);font-size:1rem;cursor:pointer;
}
.ss-drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);
  opacity:0;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s;z-index:90;
}
.ss-drawer-mask.is-open{opacity:1;visibility:visible;}
.ss-drawer{
  position:fixed;top:0;right:0;bottom:0;width:320px;max-width:88vw;
  background:var(--bg-deep);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .26s var(--ease);
  z-index:91;padding:20px;overflow-y:auto;
}
.ss-drawer.is-open{transform:translateX(0);}
.ss-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.ss-drawer__close{width:44px;height:44px;border-radius:12px;background:var(--glass);border:1px solid var(--line);color:var(--text-1);cursor:pointer;}
.ss-drawer__link{display:block;padding:14px 4px;border-bottom:1px solid var(--line);color:var(--text-2);font-size:1rem;}
.ss-drawer__link.is-active{color:var(--brand-2);}
.ss-drawer__sub{font-size:.8rem;color:var(--text-3);letter-spacing:.1em;margin:20px 0 6px;}

/* ---------- 按钮 ---------- */
.ss-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;
  border-radius:var(--pill);
  font-size:.98rem;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.ss-btn:active{transform:translateY(1px);}
.ss-btn--primary{
  background:var(--accent);color:#1B0B03;box-shadow:var(--glow-accent);
}
.ss-btn--primary:hover{color:#1B0B03;transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,122,69,.42);}
.ss-btn--ghost{
  background:transparent;color:var(--text-1);border-color:rgba(47,217,197,.55);border-radius:var(--radius-sm);
}
.ss-btn--ghost:hover{color:var(--brand-2);border-color:var(--brand-2);transform:translateY(-2px);}
.ss-btn--brand{background:var(--brand);color:#fff;box-shadow:var(--glow-brand);}
.ss-btn--brand:hover{color:#fff;transform:translateY(-2px);}
.ss-btn--sm{min-height:40px;padding:0 18px;font-size:.9rem;}
.ss-btn--block{width:100%;}

/* ---------- 徽章 / 标签 ---------- */
.ss-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:6px;font-size:.75rem;line-height:1.6;
}
.ss-badge--cat{border:1px solid rgba(47,217,197,.55);color:var(--brand-2);background:transparent;}
.ss-badge--state{background:var(--accent);color:#1B0B03;font-weight:600;}
.ss-badge--data{background:var(--glass);border:1px solid var(--line);color:var(--text-1);}

/* ---------- Hero ---------- */
.ss-hero{position:relative;overflow:hidden;padding:96px 0 84px;}
.ss-hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.ss-hero__veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,11,28,.94) 0%,rgba(7,11,28,.80) 44%,rgba(12,18,38,.62) 100%);
}
.ss-hero__star{
  position:absolute;border-radius:50%;
  background:var(--brand-2);opacity:.5;pointer-events:none;
}
.ss-hero__star--a{width:4px;height:4px;top:22%;left:58%;}
.ss-hero__star--b{width:3px;height:3px;top:66%;left:74%;}
.ss-hero__star--c{width:5px;height:5px;top:34%;left:88%;}
.ss-hero__inner{position:relative;z-index:2;}
.ss-hero__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--pill);
  background:var(--glass);border:1px solid var(--line);
  font-size:.82rem;color:var(--text-2);letter-spacing:.06em;margin-bottom:20px;
}
.ss-hero__eyebrow i{color:var(--brand-2);}
.ss-hero__title{font-size:3rem;line-height:1.18;margin-bottom:18px;}
.ss-hero__title em{font-style:normal;color:var(--brand-2);}
.ss-hero__sub{font-size:1.06rem;color:var(--text-2);max-width:560px;margin-bottom:28px;}
.ss-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.ss-hero__stats{display:flex;flex-wrap:wrap;gap:34px;}
.ss-hero__stat{min-width:120px;}
.ss-hero__stat b{
  display:block;font-size:1.9rem;line-height:1.1;color:var(--accent);
  font-family:var(--mono);letter-spacing:-1px;
}
.ss-hero__stat span{font-size:.84rem;color:var(--text-3);}

.ss-glass-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}
.ss-glass-card__title{font-size:1.08rem;margin-bottom:6px;}
.ss-glass-card__hint{font-size:.86rem;color:var(--text-3);margin-bottom:18px;}
.ss-spec-list li{
  display:flex;align-items:flex-start;justify-content:space-between;gap:14px;
  padding:11px 0;border-bottom:1px dashed var(--line);font-size:.94rem;
}
.ss-spec-list li:last-child{border-bottom:0;}
.ss-spec-list span{color:var(--text-3);flex:0 0 84px;}
.ss-spec-list b{font-weight:600;color:var(--text-1);text-align:right;}
.ss-glass-card .ss-btn{margin-top:18px;}

/* ---------- 信任条 ---------- */
.ss-trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(12,18,38,.6);}
.ss-trust__grid{display:grid;grid-template-columns:repeat(4,1fr);}
.ss-trust__item{
  padding:24px 22px;display:flex;gap:14px;align-items:flex-start;
  border-right:1px solid var(--line);
}
.ss-trust__item:last-child{border-right:0;}
.ss-trust__item i{font-size:1.1rem;color:var(--brand-2);margin-top:4px;}
.ss-trust__item strong{display:block;font-size:.96rem;margin-bottom:2px;}
.ss-trust__item span{font-size:.84rem;color:var(--text-3);line-height:1.7;}

/* ---------- 主推网格 ---------- */
.ss-card{
  background:var(--surface-1);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.ss-card:hover{transform:translateY(-4px);border-color:rgba(47,217,197,.5);}
.ss-card__media{position:relative;overflow:hidden;background:var(--surface-2);}
.ss-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.ss-card:hover .ss-card__media img{transform:scale(1.04);}
.ss-card__media--43{aspect-ratio:4/3;}
.ss-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.ss-card__name{font-size:1.05rem;margin:8px 0 8px;}
.ss-card__name a:hover{color:var(--brand-2);}
.ss-card__desc{font-size:.9rem;color:var(--text-2);margin-bottom:14px;}
.ss-card__meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);}
.ss-price{font-family:var(--mono);font-size:1.24rem;color:var(--accent);letter-spacing:-.6px;}
.ss-price small{font-size:.74rem;color:var(--text-3);margin-left:6px;font-family:inherit;letter-spacing:0;}
.ss-rate{font-size:.84rem;color:var(--text-3);}
.ss-rate i{color:var(--warn);margin-right:4px;}
.ss-card--hero-feature{flex-direction:row;}
.ss-card--hero-feature .ss-card__media{flex:0 0 47%;}
.ss-card--hero-feature .ss-card__media--43{aspect-ratio:auto;height:100%;min-height:280px;}
.ss-card--hero-feature .ss-card__body{padding:26px 28px;}
.ss-card--hero-feature .ss-card__name{font-size:1.35rem;}
.ss-card--hero-feature .ss-card__desc{font-size:.96rem;}
.ss-feature-tag{position:absolute;left:14px;top:14px;}

.ss-quick{
  height:100%;
  background:linear-gradient(150deg,var(--surface-2),var(--bg-deep));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  box-shadow:var(--shadow-card);
}
.ss-quick h3{font-size:1.16rem;margin-bottom:10px;}
.ss-quick p{font-size:.9rem;color:var(--text-2);}
.ss-quick__links{display:flex;flex-direction:column;gap:8px;margin-top:14px;}
.ss-quick__links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:11px 14px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.045);border:1px solid var(--line);
  font-size:.92rem;color:var(--text-2);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.ss-quick__links a:hover{border-color:var(--brand-2);color:var(--brand-2);transform:translateX(3px);}

/* ---------- 评价轮播 ---------- */
.ss-carousel{position:relative;}
.ss-carousel__track{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:10px;scrollbar-width:none;
}
.ss-carousel__track::-webkit-scrollbar{display:none;}
.ss-review{
  flex:0 0 calc((100% - 48px)/3);
  scroll-snap-align:start;
  background:var(--surface-1);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:var(--shadow-card);
}
.ss-review__head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.ss-review__avatar{
  width:44px;height:44px;border-radius:50%;
  background:linear-gradient(140deg,var(--brand),#101A3C);
  display:flex;align-items:center;justify-content:center;
  font-size:.92rem;font-weight:600;color:#fff;flex:0 0 44px;
}
.ss-review__name{font-size:.94rem;font-weight:600;line-height:1.4;}
.ss-review__from{font-size:.78rem;color:var(--text-3);}
.ss-review__stars{color:var(--warn);font-size:.86rem;letter-spacing:2px;margin-bottom:8px;}
.ss-review__text{font-size:.94rem;color:var(--text-2);margin:0;line-height:1.8;}
.ss-carousel__ctrl{display:flex;align-items:center;gap:10px;}
.ss-carousel__btn{
  width:44px;height:44px;border-radius:50%;
  background:var(--glass);border:1px solid var(--line);color:var(--text-1);
  cursor:pointer;transition:border-color .2s var(--ease),color .2s var(--ease);
}
.ss-carousel__btn:hover{border-color:var(--brand-2);color:var(--brand-2);}

/* ---------- 保障条 ---------- */
.ss-assure{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  display:grid;grid-template-columns:repeat(4,1fr);
  overflow:hidden;
}
.ss-assure__item{padding:22px 20px;display:flex;gap:12px;align-items:center;border-right:1px solid var(--line);}
.ss-assure__item:last-child{border-right:0;}
.ss-assure__item i{font-size:1.15rem;color:var(--brand-2);}
.ss-assure__item strong{display:block;font-size:.94rem;}
.ss-assure__item span{font-size:.82rem;color:var(--text-3);}

/* ---------- 资讯区 ---------- */
.ss-news-main{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface-1);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.ss-news-main:hover{transform:translateY(-4px);border-color:rgba(47,217,197,.5);}
.ss-news-main__media{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
.ss-news-main__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.ss-news-main:hover .ss-news-main__media img{transform:scale(1.04);}
.ss-news-main__body{padding:24px 26px 26px;}
.ss-news-main__body h3{font-size:1.28rem;margin:12px 0 10px;}
.ss-news-main__body p{font-size:.94rem;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.ss-news-meta{display:flex;align-items:center;gap:14px;font-size:.82rem;color:var(--text-3);margin-top:14px;}
.ss-news-meta time{font-family:var(--mono);font-size:.8rem;}
.ss-news-side{display:flex;flex-direction:column;gap:18px;}
.ss-news-mini{
  display:flex;gap:14px;padding:14px;
  background:var(--surface-1);border:1px solid var(--line);
  border-radius:14px;
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.ss-news-mini:hover{transform:translateY(-4px);border-color:rgba(47,217,197,.5);}
.ss-news-mini__media{flex:0 0 108px;height:82px;border-radius:10px;overflow:hidden;background:var(--surface-2);}
.ss-news-mini__media img{width:100%;height:100%;object-fit:cover;}
.ss-news-mini__body{min-width:0;}
.ss-news-mini__body h3{font-size:.98rem;margin:6px 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.ss-news-mini__body p{font-size:.84rem;color:var(--text-3);margin:0;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.ss-empty{
  text-align:center;padding:56px 20px;
  background:var(--surface-1);border:1px dashed var(--line-strong);border-radius:var(--radius);
}
.ss-empty i{font-size:1.8rem;color:var(--text-3);margin-bottom:12px;display:block;}
.ss-empty p{color:var(--text-2);margin-bottom:16px;}
.ss-empty__box{
  flex:1 1 auto;display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:var(--surface-1);border:1px dashed var(--line-strong);border-radius:var(--radius);padding:32px 20px;text-align:center;
}

/* ---------- CTA 条 ---------- */
.ss-cta{
  position:relative;overflow:hidden;
  border-radius:22px;
  border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(58,111,247,.20),rgba(12,18,38,.9) 58%,rgba(255,122,69,.14));
  padding:44px 42px;
  display:flex;align-items:center;justify-content:space-between;gap:30px;
  box-shadow:var(--shadow-card);
}
.ss-cta::after{
  content:"";position:absolute;right:-60px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,217,197,.28),transparent 68%);
  pointer-events:none;
}
.ss-cta__text{position:relative;z-index:2;max-width:620px;}
.ss-cta__text h2{font-size:1.6rem;margin-bottom:8px;}
.ss-cta__text p{margin:0;color:var(--text-2);font-size:.98rem;}
.ss-cta__actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- FAQ ---------- */
.ss-faq{max-width:900px;margin:0 auto;}
.ss-faq__item{
  border:1px solid var(--line);border-radius:14px;
  background:var(--surface-1);
  margin-bottom:12px;overflow:hidden;
  transition:border-color .2s var(--ease);
}
.ss-faq__item.is-open{border-color:rgba(47,217,197,.5);}
.ss-faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:transparent;border:0;cursor:pointer;
  color:var(--text-1);font-size:1rem;font-weight:600;text-align:left;
}
.ss-faq__q i{color:var(--brand-2);transition:transform .2s var(--ease);flex:0 0 auto;}
.ss-faq__item.is-open .ss-faq__q i{transform:rotate(45deg);}
.ss-faq__a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);}
.ss-faq__a p{padding:0 20px 20px;margin:0;font-size:.96rem;line-height:1.85;color:var(--text-2);}

/* ---------- 页脚 ---------- */
.ss-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:72px 0 0;margin-top:0;}
.ss-footer h4{font-size:.94rem;color:var(--text-1);margin-bottom:16px;}
.ss-footer__brand p{font-size:.9rem;color:var(--text-3);max-width:330px;}
.ss-footer__contact{font-size:.88rem;color:var(--text-2);display:flex;flex-direction:column;gap:6px;margin-top:16px;}
.ss-footer__contact span i{width:18px;color:var(--brand-2);margin-right:6px;}
.ss-footer ul li{margin-bottom:10px;}
.ss-footer ul a{font-size:.9rem;color:var(--text-3);transition:color .2s var(--ease);}
.ss-footer ul a:hover{color:var(--brand-2);}
.ss-footer__form label{display:block;font-size:.84rem;color:var(--text-3);margin-bottom:6px;}
.ss-footer__form .ss-input{
  width:100%;height:44px;border-radius:var(--radius-sm);
  background:var(--glass);border:1px solid var(--line);
  color:var(--text-1);padding:0 14px;font-size:.92rem;margin-bottom:12px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.ss-footer__form .ss-input::placeholder{color:var(--text-3);}
.ss-footer__form .ss-input:focus{outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(47,217,197,.16);}
.ss-form-note{font-size:.8rem;color:var(--text-3);margin:10px 0 0;}
.ss-form-note.is-ok{color:var(--ok);}
.ss-form-note.is-err{color:var(--err);}
.ss-footer__bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.84rem;color:var(--text-3);
}
.ss-footer__bottom a{color:var(--text-3);margin-left:14px;}
.ss-footer__bottom a:hover{color:var(--brand-2);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .ss-section{padding:64px 0;}
  .ss-nav__menu{display:none;}
  .ss-burger{display:inline-flex;align-items:center;justify-content:center;}
  .ss-nav__side .ss-btn{display:none;}
  .ss-hero{padding:64px 0 56px;}
  .ss-hero__title{font-size:2.35rem;}
  .ss-hero__stats{gap:24px;}
  .ss-trust__grid{grid-template-columns:repeat(2,1fr);}
  .ss-trust__item:nth-child(2){border-right:0;}
  .ss-trust__item:nth-child(1),.ss-trust__item:nth-child(2){border-bottom:1px solid var(--line);}
  .ss-assure{grid-template-columns:repeat(2,1fr);}
  .ss-assure__item:nth-child(2){border-right:0;}
  .ss-assure__item:nth-child(1),.ss-assure__item:nth-child(2){border-bottom:1px solid var(--line);}
  .ss-review{flex:0 0 calc((100% - 24px)/2);}
  .ss-card--hero-feature{flex-direction:column;}
  .ss-card--hero-feature .ss-card__media{flex:none;}
  .ss-card--hero-feature .ss-card__media--43{aspect-ratio:16/10;min-height:0;height:auto;}
  .ss-cta{flex-direction:column;align-items:flex-start;padding:34px 28px;}
  .ss-footer{padding-top:56px;}
  .ss-section__head{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:639px){
  .ss-section{padding:48px 0;}
  h1{font-size:1.9rem;}
  h2,.ss-section__title{font-size:1.5rem;}
  .ss-hero{padding:48px 0 44px;}
  .ss-hero__title{font-size:1.85rem;}
  .ss-hero__sub{font-size:.98rem;}
  .ss-hero__actions{flex-direction:column;align-items:stretch;}
  .ss-hero__actions .ss-btn{width:100%;}
  .ss-hero__stats{gap:18px;}
  .ss-hero__stat b{font-size:1.5rem;}
  .ss-trust__grid{grid-template-columns:1fr;}
  .ss-trust__item{border-right:0;border-bottom:1px solid var(--line);}
  .ss-trust__item:last-child{border-bottom:0;}
  .ss-assure{grid-template-columns:1fr;}
  .ss-assure__item{border-right:0;border-bottom:1px solid var(--line);}
  .ss-assure__item:last-child{border-bottom:0;}
  .ss-review{flex:0 0 100%;}
  .ss-news-mini{flex-direction:column;}
  .ss-news-mini__media{flex:none;width:100%;height:150px;}
  .ss-cta{padding:28px 20px;}
  .ss-cta__actions{width:100%;}
  .ss-cta__actions .ss-btn{width:100%;}
  .ss-carousel__btn{width:40px;height:40px;}
}

/* roulang page: article */
:root{
  --bg-deep:#070B1C;
  --bg-base:#0C1226;
  --surface-1:#121A34;
  --surface-2:#17203F;
  --brand:#3A6FF7;
  --brand-2:#2FD9C5;
  --accent:#FF7A45;
  --text-1:#EDF2FF;
  --text-2:#A7B3D4;
  --text-3:#6B7899;
  --ok:#34D399;
  --warn:#FFB020;
  --err:#FF5C5C;
  --border:rgba(255,255,255,.10);
  --border-strong:rgba(255,255,255,.18);
  --glass:rgba(255,255,255,.055);
  --radius-lg:20px;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shadow-inset:inset 0 1px 0 rgba(255,255,255,.06);
  --glow:0 8px 28px rgba(58,111,247,.35);
  --ease:cubic-bezier(.2,.8,.2,1);
  --section:88px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease);}
a:hover{color:var(--brand-2);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;line-height:1.3;}
p{margin:0 0 1.15em;}
ul,ol{margin:0;padding:0;list-style:none;}
input,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;}
::selection{background:rgba(58,111,247,.4);color:#fff;}

.grid-container{max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1440px){.grid-container{max-width:1280px;}}
.ss-muted{color:var(--text-2);}

/* ============ 按钮 ============ */
.ss-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 26px;border-radius:999px;
  transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.ss-btn--primary{background:var(--accent);color:#200E05;box-shadow:var(--glow);}
.ss-btn--primary:hover{transform:translateY(-2px);color:#200E05;background:#ff8a5c;}
.ss-btn--primary:active{transform:translateY(1px);}
.ss-btn--ghost{background:transparent;color:var(--text-1);border:1px solid rgba(47,217,197,.55);border-radius:var(--radius-sm);}
.ss-btn--ghost:hover{border-color:var(--brand-2);color:var(--brand-2);transform:translateY(-2px);}
.ss-btn--sm{padding:10px 18px;font-size:14px;}
.ss-btn--block{width:100%;}
.ss-link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand-2);font-size:14px;font-weight:600;
  position:relative;
}
.ss-link-arrow::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--brand-2);
  transition:width .2s var(--ease);
}
.ss-link-arrow:hover::after{width:100%;}

/* ============ 徽章 / 标签 ============ */
.ss-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;padding:6px 10px;border-radius:6px;font-weight:600;
}
.ss-badge--cat{color:var(--brand-2);border:1px solid rgba(47,217,197,.45);background:transparent;}
.ss-badge--state{background:var(--accent);color:#241006;}
.ss-badge--data{background:var(--glass);color:var(--text-1);border:1px solid var(--border);backdrop-filter:blur(10px);}
.ss-tag{
  display:inline-block;font-size:13px;padding:7px 13px;border-radius:999px;
  background:var(--surface-1);border:1px solid var(--border);color:var(--text-2);
  transition:all .2s var(--ease);
}
.ss-tag:hover{color:var(--brand-2);border-color:rgba(47,217,197,.5);transform:translateY(-2px);}

/* ============ 顶部导航 ============ */
.ss-header{
  position:sticky;top:0;z-index:80;
  background:rgba(12,18,38,.78);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.ss-nav{display:flex;align-items:center;height:76px;gap:10px;}
.ss-logo{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.ss-logo__mark{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand),#1c3f9e);
  color:#fff;font-size:16px;box-shadow:var(--glow);
}
.ss-logo__text{display:flex;flex-direction:column;line-height:1.15;}
.ss-logo__name{font-size:17px;font-weight:700;letter-spacing:-.2px;}
.ss-logo__sub{font-size:11px;color:var(--text-3);letter-spacing:.5px;}
.ss-nav__menu{display:flex;align-items:center;gap:2px;margin-left:26px;}
.ss-nav__link{
  position:relative;font-size:15px;color:var(--text-2);padding:8px 12px;border-radius:8px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.ss-nav__link:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.ss-nav__link.is-active{color:var(--text-1);}
.ss-nav__link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-2px;height:2px;border-radius:2px;
  background:var(--brand-2);box-shadow:0 0 0 1px rgba(47,217,197,.35);
}
.ss-nav__side{margin-left:auto;display:flex;align-items:center;gap:12px;}
.ss-mega-wrap{position:relative;}
.ss-mega-toggle{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text-1);
  padding:10px 16px;border-radius:12px;border:1px solid var(--border);background:var(--glass);
  backdrop-filter:blur(12px);transition:all .2s var(--ease);
}
.ss-mega-toggle:hover{border-color:rgba(47,217,197,.5);color:var(--brand-2);}
.ss-mega-toggle i{font-size:11px;transition:transform .2s var(--ease);}
.ss-mega-toggle[aria-expanded="true"] i{transform:rotate(180deg);}
.ss-mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);width:880px;max-width:calc(100vw - 40px);
  background:rgba(18,26,52,.92);backdrop-filter:blur(16px);
  border:1px solid var(--border-strong);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:26px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s;
}
.ss-mega-panel.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.ss-mega-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:26px;}
.ss-mega-title{font-size:13px;font-weight:700;color:var(--brand-2);margin-bottom:14px;letter-spacing:.5px;}
.ss-mega-list li{margin-bottom:9px;}
.ss-mega-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;color:var(--text-2);padding:5px 8px;border-radius:8px;
}
.ss-mega-list a:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.ss-mega-count{font-family:var(--font-num);font-size:12px;color:var(--text-3);}
.ss-mega-post{display:block;margin-bottom:14px;}
.ss-mega-post strong{display:block;font-size:14px;font-weight:600;color:var(--text-1);line-height:1.5;}
.ss-mega-post span{font-size:12px;color:var(--text-3);}
.ss-mega-card{
  display:block;border-radius:14px;overflow:hidden;position:relative;
  border:1px solid var(--border);min-height:150px;
}
.ss-mega-card img{width:100%;height:150px;object-fit:cover;transition:transform .3s var(--ease);}
.ss-mega-card:hover img{transform:scale(1.05);}
.ss-mega-card span{
  position:absolute;left:0;right:0;bottom:0;padding:12px 14px;font-size:13px;font-weight:600;
  background:linear-gradient(180deg,rgba(7,11,28,0),rgba(7,11,28,.9));
}
.ss-nav__burger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);
  background:var(--glass);align-items:center;justify-content:center;font-size:17px;
}
.ss-drawer{
  position:fixed;top:0;right:0;height:100%;width:320px;max-width:86vw;z-index:120;
  background:var(--surface-1);border-left:1px solid var(--border);
  transform:translateX(102%);transition:transform .28s var(--ease);
  padding:22px 20px;overflow-y:auto;
}
.ss-drawer.is-open{transform:translateX(0);}
.ss-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.ss-drawer__close{width:44px;height:44px;border-radius:12px;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;}
.ss-drawer__link{
  display:block;padding:14px 12px;border-radius:12px;font-size:15px;color:var(--text-2);
  border-bottom:1px solid rgba(255,255,255,.05);
}
.ss-drawer__link.is-active{color:var(--brand-2);background:rgba(47,217,197,.08);}
.ss-overlay{
  position:fixed;inset:0;background:rgba(4,7,18,.6);z-index:110;opacity:0;visibility:hidden;
  transition:opacity .25s var(--ease),visibility .25s;
}
.ss-overlay.is-open{opacity:1;visibility:visible;}

/* ============ 面包屑 ============ */
.ss-crumb-band{padding:26px 0 0;}
.ss-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.ss-crumb a{color:var(--text-3);}
.ss-crumb a:hover{color:var(--brand-2);}
.ss-crumb .sep{color:#39456b;}
.ss-crumb__current{color:var(--text-2);}

/* ============ 文章头部 ============ */
.ss-post{padding:26px 0 var(--section);}
.ss-post__head{max-width:860px;margin-bottom:32px;}
.ss-post__kicker{
  display:block;width:56px;height:4px;border-radius:4px;margin-bottom:20px;
  background:linear-gradient(90deg,var(--brand-2),var(--brand));
}
.ss-post__h1{
  font-size:38px;line-height:1.25;letter-spacing:-.3px;margin-bottom:22px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ss-post__meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px 20px;
  font-size:13px;color:var(--text-2);
  padding-bottom:24px;border-bottom:1px solid var(--border);
}
.ss-post__meta time{color:var(--text-2);}
.ss-post__meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);}
.ss-share{display:flex;align-items:center;gap:8px;margin-left:auto;}
.ss-share button{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--border);
  background:var(--glass);color:var(--text-2);font-size:13px;
  transition:all .2s var(--ease);
}
.ss-share button:hover{color:var(--brand-2);border-color:rgba(47,217,197,.5);transform:translateY(-2px);}

/* ============ 文章主体布局 ============ */
.ss-post__layout{align-items:flex-start;}
.ss-article-body{
  max-width:760px;font-size:16.5px;line-height:1.9;color:#D8E0F5;
}
.ss-article-body p{margin:0 0 1.15em;}
.ss-article-body h2{
  position:relative;font-size:28px;line-height:1.35;margin:44px 0 18px;padding-left:16px;
}
.ss-article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand-2),var(--brand));
}
.ss-article-body h3{font-size:21px;margin:32px 0 14px;color:var(--text-1);}
.ss-article-body h4{font-size:17px;margin:24px 0 12px;color:var(--text-1);}
.ss-article-body a{color:var(--brand-2);text-decoration:underline;text-underline-offset:3px;}
.ss-article-body strong{color:var(--text-1);}
.ss-article-body ul,.ss-article-body ol{margin:0 0 1.3em;padding-left:4px;}
.ss-article-body ul li{position:relative;padding-left:22px;margin-bottom:10px;}
.ss-article-body ul li::before{
  content:"";position:absolute;left:2px;top:.78em;width:7px;height:7px;border-radius:2px;
  background:var(--brand-2);transform:rotate(45deg);
}
.ss-article-body ol{counter-reset:ssli;}
.ss-article-body ol li{
  counter-increment:ssli;position:relative;padding-left:38px;margin-bottom:12px;
}
.ss-article-body ol li::before{
  content:counter(ssli);position:absolute;left:0;top:4px;
  width:24px;height:24px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:13px;font-weight:700;color:#0B1226;
  background:var(--brand-2);
}
.ss-article-body blockquote{
  margin:26px 0;padding:18px 22px;border-left:4px solid var(--accent);border-radius:0 14px 14px 0;
  background:var(--glass);backdrop-filter:blur(12px);color:var(--text-1);
}
.ss-article-body blockquote p:last-child{margin-bottom:0;}
.ss-article-body figure{margin:26px 0;}
.ss-article-body figure img{width:100%;border-radius:14px;object-fit:cover;}
.ss-article-body figcaption{font-size:12px;color:var(--text-3);text-align:center;margin-top:10px;}
.ss-article-body .ss-table-scroll{overflow-x:auto;margin:26px 0;border-radius:14px;border:1px solid var(--border);}
.ss-article-body table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px;}
.ss-article-body thead th{
  background:var(--glass);color:var(--text-1);font-weight:700;text-align:left;
  padding:13px 16px;border-bottom:1px solid var(--border);
}
.ss-article-body tbody td{padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.06);color:var(--text-2);}
.ss-article-body tbody tr:nth-child(even){background:rgba(255,255,255,.025);}
.ss-article-body tbody tr:last-child td{border-bottom:0;}
.ss-article-body img{border-radius:14px;}

/* 空态 */
.ss-empty{
  background:var(--surface-1);border:1px solid var(--border);border-radius:var(--radius);
  padding:56px 28px;text-align:center;box-shadow:var(--shadow),var(--shadow-inset);
}
.ss-empty i{font-size:30px;color:var(--brand-2);margin-bottom:16px;display:block;}
.ss-empty h2{font-size:22px;margin-bottom:10px;}
.ss-empty p{color:var(--text-2);margin-bottom:22px;}

/* ============ 侧栏 ============ */
.ss-sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.ss-widget{
  background:var(--surface-1);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow),var(--shadow-inset);
}
.ss-widget__title{
  display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;margin-bottom:16px;
}
.ss-widget__title::before{content:"";width:3px;height:14px;border-radius:3px;background:var(--brand-2);}
.ss-toc li{margin-bottom:2px;}
.ss-toc a{
  display:block;font-size:14px;color:var(--text-2);padding:8px 10px;border-radius:8px;
  border-left:2px solid transparent;line-height:1.6;
}
.ss-toc a:hover{color:var(--text-1);background:rgba(255,255,255,.04);}
.ss-toc a.is-current{color:var(--brand-2);border-left-color:var(--brand-2);background:rgba(47,217,197,.07);}
.ss-hot li{padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.08);}
.ss-hot li:last-child{border-bottom:0;padding-bottom:0;}
.ss-hot a{font-size:14px;color:var(--text-2);line-height:1.6;display:block;}
.ss-hot a:hover{color:var(--brand-2);}
.ss-hot span{display:block;font-size:12px;color:var(--text-3);margin-top:4px;font-family:var(--font-num);}
.ss-widget--cta{
  background:linear-gradient(150deg,rgba(58,111,247,.22),rgba(47,217,197,.10)),var(--surface-2);
  border-color:rgba(47,217,197,.28);
}
.ss-widget--cta h3{font-size:18px;margin-bottom:10px;}
.ss-widget--cta p{font-size:14px;color:var(--text-2);margin-bottom:18px;line-height:1.75;}
.ss-cloud{display:flex;flex-wrap:wrap;gap:8px;}

/* ============ 文末区 ============ */
.ss-post__foot{
  margin-top:44px;padding-top:26px;border-top:1px solid var(--border);
}
.ss-post__foot .ss-cloud{margin-bottom:30px;}
.ss-navpost{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.ss-navpost a{
  display:flex;flex-direction:column;gap:8px;padding:18px 20px;border-radius:14px;
  background:var(--surface-1);border:1px solid var(--border);transition:all .2s var(--ease);
}
.ss-navpost a:hover{transform:translateY(-2px);border-color:rgba(47,217,197,.45);color:inherit;}
.ss-navpost span{font-size:12px;color:var(--text-3);}
.ss-navpost strong{font-size:15px;font-weight:600;line-height:1.55;color:var(--text-1);}
.ss-backlink{
  display:inline-flex;align-items:center;gap:8px;margin-top:26px;font-size:14px;color:var(--brand-2);font-weight:600;
}

/* ============ 相关推荐 ============ */
.ss-related{padding:0 0 var(--section);}
.ss-related__head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.ss-related__head h2{font-size:28px;}
.ss-related__head p{font-size:14px;color:var(--text-2);margin:8px 0 0;}
.ss-card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  background:var(--surface-1);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow),var(--shadow-inset);
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.ss-card:hover{transform:translateY(-4px);border-color:rgba(47,217,197,.45);color:inherit;}
.ss-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;}
.ss-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.ss-card:hover .ss-card__media img{transform:scale(1.04);}
.ss-card__media::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,28,0) 45%,rgba(7,11,28,.75));
  transition:opacity .25s var(--ease);opacity:.7;
}
.ss-card:hover .ss-card__media::after{opacity:.9;}
.ss-card__badge{position:absolute;left:14px;top:14px;z-index:2;}
.ss-card__body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.ss-card__body h3{font-size:18px;line-height:1.5;}
.ss-card__body p{font-size:14px;color:var(--text-2);line-height:1.75;margin:0;}
.ss-card__meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-3);}

/* ============ CTA 条 ============ */
.ss-cta-band{padding:0 0 var(--section);}
.ss-cta{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--border-strong);background:var(--surface-2);
  padding:44px 44px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--shadow),var(--shadow-inset);
}
.ss-cta::before{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(58,111,247,.38),rgba(58,111,247,0) 68%);
  pointer-events:none;
}
.ss-cta::after{
  content:"";position:absolute;left:-90px;bottom:-160px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,217,197,.22),rgba(47,217,197,0) 70%);
  pointer-events:none;
}
.ss-cta__text{position:relative;z-index:2;max-width:620px;}
.ss-cta__text h2{font-size:26px;margin-bottom:10px;}
.ss-cta__text p{color:var(--text-2);font-size:15px;margin:0;}
.ss-cta__actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.ss-footer{
  background:var(--bg-deep);border-top:1px solid var(--border);padding:64px 0 26px;
}
.ss-footer h4{font-size:15px;margin-bottom:18px;color:var(--text-1);}
.ss-footer p{font-size:14px;color:var(--text-2);line-height:1.85;max-width:340px;}
.ss-footer ul li{margin-bottom:11px;}
.ss-footer ul a{font-size:14px;color:var(--text-2);}
.ss-footer ul a:hover{color:var(--brand-2);}
.ss-footer__contact{display:flex;flex-direction:column;gap:10px;margin-top:16px;}
.ss-footer__contact span{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--text-3);}
.ss-footer__form label{display:block;font-size:13px;color:var(--text-3);margin-bottom:9px;}
.ss-input{
  width:100%;height:44px;border-radius:12px;padding:0 14px;margin-bottom:12px;
  background:var(--glass);border:1px solid var(--border);color:var(--text-1);
  font-size:14px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  backdrop-filter:blur(12px);
}
.ss-input::placeholder{color:var(--text-3);}
.ss-input:focus{outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(47,217,197,.16);}
.ss-form-note{font-size:12px;color:var(--text-3);margin:10px 0 0;}
.ss-form-note.is-ok{color:var(--ok);}
.ss-form-note.is-err{color:var(--err);}
.ss-footer__bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;gap:14px 26px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.ss-footer__links{display:flex;flex-wrap:wrap;gap:18px;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .ss-mega-panel{width:720px;}
  .ss-mega-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:1023px){
  :root{--section:64px;}
  .ss-nav__menu{display:none;}
  .ss-mega-wrap{display:none;}
  .ss-nav__burger{display:flex;}
  .ss-nav__side{margin-left:auto;}
  .ss-sidebar{position:static;}
  .ss-article-body{max-width:none;}
  .ss-post__h1{font-size:32px;}
  .ss-cta{flex-direction:column;align-items:flex-start;padding:34px 28px;}
  .ss-cta__text h2{font-size:23px;}
}
@media (max-width:639px){
  :root{--section:48px;}
  .grid-container{padding:0 20px;}
  .ss-nav{height:66px;}
  .ss-logo__sub{display:none;}
  .ss-post{padding-top:18px;}
  .ss-post__h1{font-size:26px;line-height:1.32;}
  .ss-article-body{font-size:16px;line-height:1.85;}
  .ss-article-body h2{font-size:22px;margin-top:34px;}
  .ss-article-body h3{font-size:18px;}
  .ss-related__head{flex-direction:column;align-items:flex-start;}
  .ss-related__head h2{font-size:23px;}
  .ss-navpost{grid-template-columns:1fr;}
  .ss-cta__actions{width:100%;}
  .ss-cta__actions .ss-btn{flex:1;}
  .ss-share{margin-left:0;width:100%;}
  .ss-widget{padding:18px;}
}

/* roulang page: category1 */
:root{
  --bg-deep:#070B1C;
  --bg-base:#0C1226;
  --surface-1:#121A34;
  --surface-2:#17203F;
  --brand:#3A6FF7;
  --brand-2:#2FD9C5;
  --accent:#FF7A45;
  --text-1:#EDF2FF;
  --text-2:#A7B3D4;
  --text-3:#6B7899;
  --ok:#34D399;
  --warn:#FFB020;
  --err:#FF5C5C;
  --line:rgba(255,255,255,.10);
  --glass:rgba(255,255,255,.055);
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 40px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --glow:0 8px 28px rgba(58,111,247,.35);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(58,111,247,.16), transparent 62%),
    radial-gradient(900px 520px at 92% 4%, rgba(47,217,197,.10), transparent 60%),
    var(--bg-base);
  min-height:100vh;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.5;
  background-image:
    radial-gradient(1.6px 1.6px at 18% 22%, rgba(255,255,255,.55), transparent 100%),
    radial-gradient(1.4px 1.4px at 72% 12%, rgba(255,255,255,.40), transparent 100%),
    radial-gradient(1.2px 1.2px at 46% 68%, rgba(255,255,255,.34), transparent 100%),
    radial-gradient(1.6px 1.6px at 88% 78%, rgba(255,255,255,.30), transparent 100%),
    radial-gradient(1.2px 1.2px at 8% 84%, rgba(255,255,255,.26), transparent 100%);
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-2)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:0;list-style:none}
.grid-container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;width:100%}
@media (min-width:1440px){
  .grid-container{max-width:1280px;padding-left:32px;padding-right:32px}
}
main{position:relative;z-index:1}
.ss-section{padding:88px 0}
.ss-section--tight{padding-top:56px}
.ss-section__head{max-width:720px;margin-bottom:34px}
.ss-section__title{font-size:28px;font-weight:700;line-height:1.3;letter-spacing:0}
.ss-section__desc{margin-top:14px;color:var(--text-2);font-size:16px}

/* ---------- Header ---------- */
.ss-header{
  position:sticky;top:0;z-index:60;
  background:rgba(12,18,38,.74);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.ss-nav{display:flex;align-items:center;gap:24px;min-height:74px}
.ss-logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.ss-logo__mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),#7C9BFF);
  color:#fff;font-size:15px;box-shadow:var(--glow);flex:0 0 auto;
}
.ss-logo__text{display:flex;flex-direction:column;line-height:1.15}
.ss-logo__name{font-size:17px;font-weight:700;letter-spacing:-.2px;white-space:nowrap}
.ss-logo__sub{font-size:11px;color:var(--text-3);letter-spacing:.14em;white-space:nowrap}
.ss-nav__menu{display:flex;align-items:center;gap:4px;margin-left:6px}
.ss-nav__link{
  position:relative;padding:10px 14px;border-radius:10px;font-size:15px;
  color:var(--text-2);white-space:nowrap;transition:color .2s var(--ease),background .2s var(--ease);
}
.ss-nav__link:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.ss-nav__link.is-active{color:var(--text-1);font-weight:600}
.ss-nav__link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand-2);box-shadow:0 0 0 1px rgba(47,217,197,.35);
}
.ss-nav__side{margin-left:auto;display:flex;align-items:center;gap:12px}
.ss-nav__burger{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--glass);color:var(--text-1);font-size:16px;cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.ss-nav__burger:hover{border-color:rgba(47,217,197,.45);color:var(--brand-2)}
.ss-nav__burger:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}

/* ---------- Mega ---------- */
.ss-mega-wrap{position:relative}
.ss-mega-toggle{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;
  border:1px solid rgba(47,217,197,.42);background:transparent;color:var(--brand-2);
  font-size:14px;cursor:pointer;transition:background .2s var(--ease),transform .2s var(--ease);
}
.ss-mega-toggle:hover{background:rgba(47,217,197,.10);transform:translateY(-2px)}
.ss-mega-toggle:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}
.ss-mega-toggle i{transition:transform .2s var(--ease)}
.ss-mega-wrap.is-open .ss-mega-toggle i{transform:rotate(180deg)}
.ss-mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:880px;padding:26px;border-radius:20px;
  background:rgba(18,26,52,.88);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid var(--line);box-shadow:var(--shadow);z-index:70;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s var(--ease);
}
.ss-mega-wrap.is-open .ss-mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.ss-mega-grid{display:grid;grid-template-columns:1.15fr 1.15fr .95fr;gap:26px}
.ss-mega-title{font-size:13px;color:var(--text-3);letter-spacing:.12em;margin-bottom:14px}
.ss-mega-list{display:flex;flex-direction:column;gap:8px}
.ss-mega-list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:8px 10px;border-radius:10px;font-size:14px;color:var(--text-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.ss-mega-list a:hover{background:rgba(58,111,247,.14);color:var(--text-1)}
.ss-mega-count{font-size:12px;color:var(--text-3);font-family:ui-monospace,monospace;white-space:nowrap}
.ss-mega-news{display:flex;flex-direction:column;gap:12px}
.ss-mega-news a{display:block;padding:10px 12px;border-radius:12px;background:var(--glass);border:1px solid var(--line)}
.ss-mega-news a:hover{border-color:rgba(47,217,197,.4)}
.ss-mega-news span{display:block;font-size:14px;color:var(--text-1);line-height:1.5}
.ss-mega-news time{display:block;font-size:12px;color:var(--text-3);margin-top:6px}
.ss-mega-card{display:block;border-radius:16px;overflow:hidden;border:1px solid var(--line);background:var(--surface-1)}
.ss-mega-card img{width:100%;height:118px;object-fit:cover}
.ss-mega-card__body{padding:14px 14px 16px}
.ss-mega-card__body strong{display:block;font-size:14px;font-weight:600;line-height:1.5}
.ss-mega-card__body em{display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-size:13px;color:var(--brand-2);font-style:normal}

/* ---------- Hero ---------- */
.ss-cathero{
  position:relative;overflow:hidden;min-height:300px;display:flex;align-items:center;
  padding:52px 0 46px;
  background-image:
    linear-gradient(90deg,rgba(7,11,28,.94) 0%,rgba(7,11,28,.78) 52%,rgba(10,26,56,.58) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.ss-cathero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(7,11,28,0) 40%,rgba(12,18,38,.92) 100%);
}
.ss-cathero .grid-container{position:relative;z-index:1}
.ss-crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:16px;flex-wrap:wrap}
.ss-crumb a{color:var(--text-3)}
.ss-crumb a:hover{color:var(--brand-2)}
.ss-crumb span[aria-current]{color:var(--text-2)}
.ss-cathero h1{font-size:38px;font-weight:700;line-height:1.2;letter-spacing:0}
.ss-cathero h1 .ss-h1-dot{
  display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--brand-2);
  box-shadow:0 0 0 4px rgba(47,217,197,.18);margin-right:14px;vertical-align:middle;
}
.ss-cathero__sub{margin-top:14px;font-size:17px;color:var(--text-2);max-width:640px}
.ss-anchors{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.ss-anchors a{
  padding:9px 18px;border-radius:999px;border:1px solid var(--line);background:var(--glass);
  color:var(--text-2);font-size:14px;
  transition:transform .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.ss-anchors a:hover{transform:translateY(-2px);border-color:rgba(47,217,197,.5);color:var(--brand-2)}

/* ---------- Toolbar ---------- */
.ss-toolbar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:14px 20px;border-radius:14px;background:var(--surface-1);
  border:1px solid var(--line);margin-bottom:24px;
}
.ss-toolbar__tabs{display:flex;gap:6px;flex-wrap:wrap}
.ss-toolbar__tab{
  padding:8px 16px;border-radius:999px;font-size:14px;color:var(--text-2);
  border:1px solid transparent;background:none;cursor:pointer;min-height:38px;
  transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.ss-toolbar__tab:hover{color:var(--text-1)}
.ss-toolbar__tab.is-active{background:rgba(58,111,247,.16);border-color:rgba(58,111,247,.5);color:var(--text-1)}
.ss-toolbar__tab:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}
.ss-toolbar__count{font-size:13px;color:var(--text-3)}
.ss-toolbar__count strong{color:var(--accent);font-family:ui-monospace,monospace;font-size:15px}

/* ---------- Filter ---------- */
.ss-filter{
  position:sticky;top:96px;background:var(--surface-1);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);
}
.ss-filter__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.ss-filter__head h3{font-size:16px;font-weight:600}
.ss-filter__reset{font-size:13px;color:var(--text-3);background:none;border:0;cursor:pointer;padding:4px 6px;border-radius:8px}
.ss-filter__reset:hover{color:var(--brand-2)}
.ss-filter__group{padding-top:20px;margin-top:20px;border-top:1px dashed rgba(255,255,255,.08)}
.ss-filter__group:first-of-type{border-top:0;margin-top:14px;padding-top:0}
.ss-filter__title{font-size:13px;color:var(--text-3);letter-spacing:.08em;margin-bottom:12px}
.ss-filter__list{display:flex;flex-direction:column;gap:6px}
.ss-filter__list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:9px 10px;border-radius:10px;font-size:14px;color:var(--text-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.ss-filter__list a:hover{background:rgba(58,111,247,.14);color:var(--text-1)}
.ss-filter__list a:target{background:rgba(47,217,197,.12);color:var(--brand-2)}
.ss-filter__list em{font-style:normal;font-size:12px;color:var(--text-3);font-family:ui-monospace,monospace}
.ss-check{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2);padding:7px 4px;min-height:36px}
.ss-check__box{
  width:16px;height:16px;border-radius:5px;border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.04);flex:0 0 auto;position:relative;
}
.ss-check.is-on .ss-check__box{background:var(--brand-2);border-color:var(--brand-2)}
.ss-check.is-on .ss-check__box::after{
  content:"";position:absolute;left:4px;top:1px;width:5px;height:9px;
  border-right:2px solid #06231F;border-bottom:2px solid #06231F;transform:rotate(42deg);
}
.ss-filter__note{
  margin-top:20px;padding:14px;border-radius:12px;background:var(--glass);
  border:1px solid var(--line);font-size:13px;color:var(--text-2);line-height:1.7;
}
.ss-filter__note strong{color:var(--brand-2);display:block;margin-bottom:6px;font-size:13px}

/* ---------- Product cards ---------- */
.ss-grid{margin-top:0}
.ss-grid > .cell{margin-bottom:24px}
.ss-card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  background:var(--surface-1);border:1px solid var(--line);border-radius:var(--radius);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.ss-card:hover{transform:translateY(-4px);border-color:rgba(47,217,197,.42);box-shadow:var(--shadow)}
.ss-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#17203F,#0C1226)}
.ss-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.ss-card:hover .ss-card__media img{transform:scale(1.04)}
.ss-card__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,28,.06) 40%,rgba(7,11,28,.55) 100%);
}
.ss-card__badge{
  position:absolute;left:14px;top:14px;z-index:2;
  padding:5px 12px;border-radius:6px;font-size:12px;letter-spacing:.04em;
  border:1px solid rgba(47,217,197,.55);color:var(--brand-2);background:rgba(7,11,28,.6);
}
.ss-card__body{display:flex;flex-direction:column;gap:10px;padding:20px;flex:1}
.ss-card__title{font-size:17px;font-weight:600;line-height:1.5}
.ss-card__title a:hover{color:var(--brand-2)}
.ss-card__desc{font-size:14px;color:var(--text-2);line-height:1.75;min-height:48px}
.ss-card__tags{display:flex;flex-wrap:wrap;gap:8px}
.ss-tag{
  font-size:12px;color:var(--text-2);padding:3px 10px;border-radius:6px;
  background:var(--glass);border:1px solid var(--line);
}
.ss-card__meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:6px}
.ss-price{color:var(--accent);font-weight:700;font-size:19px;font-family:ui-monospace,"Barlow Condensed",monospace}
.ss-price small{font-size:12px;color:var(--text-3);margin-left:4px;font-weight:400;font-family:inherit}
.ss-rate{font-size:13px;color:var(--text-3);display:inline-flex;align-items:center;gap:5px}
.ss-rate i{color:var(--warn);font-size:12px}
.ss-card__action{margin-top:14px}

/* ---------- Buttons ---------- */
.ss-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;border:0;cursor:pointer;
  font-size:15px;font-weight:600;line-height:1.2;text-align:center;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.ss-btn--primary{background:var(--accent);color:#1A0C05;box-shadow:0 8px 28px rgba(255,122,69,.32)}
.ss-btn--primary:hover{transform:translateY(-2px);color:#1A0C05}
.ss-btn--ghost{background:transparent;border:1px solid rgba(47,217,197,.45);color:var(--brand-2)}
.ss-btn--ghost:hover{background:rgba(47,217,197,.10);transform:translateY(-2px);color:var(--brand-2)}
.ss-btn--sm{padding:10px 18px;font-size:14px}
.ss-btn--block{width:100%}
.ss-btn:active{transform:translateY(1px)}
.ss-btn:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}
.ss-link{
  position:relative;color:var(--brand-2);font-size:14px;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
}
.ss-link::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--brand-2);
  transition:width .2s var(--ease);
}
.ss-link:hover::after{width:100%}

/* ---------- Spec band ---------- */
.ss-band--spec{padding:0 0 88px}
.ss-spec{
  display:grid;grid-template-columns:repeat(5,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.ss-spec__item{background:var(--surface-1);padding:26px 20px;text-align:center;transition:background .2s var(--ease)}
.ss-spec__item:hover{background:var(--surface-2)}
.ss-spec__num{
  display:block;font-size:30px;font-weight:700;line-height:1.1;color:var(--accent);
  font-family:ui-monospace,"Barlow Condensed",monospace;
}
.ss-spec__num small{font-size:14px;margin-left:2px;color:var(--text-2);font-family:inherit}
.ss-spec__label{display:block;margin-top:10px;font-size:13px;color:var(--text-3);line-height:1.6}

/* ---------- Guarantee band ---------- */
.ss-band--guarantee{padding-bottom:88px}
.ss-guarantee{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  padding:26px;border-radius:var(--radius);
  background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
}
.ss-guarantee__item{display:flex;gap:14px;align-items:flex-start}
.ss-guarantee__icon{
  width:40px;height:40px;border-radius:12px;flex:0 0 auto;display:grid;place-items:center;
  background:rgba(58,111,247,.16);color:var(--brand-2);font-size:15px;
}
.ss-guarantee__item strong{display:block;font-size:15px;font-weight:600;margin-bottom:4px}
.ss-guarantee__item p{font-size:13px;color:var(--text-2);line-height:1.7}

/* ---------- FAQ ---------- */
.ss-faq{max-width:900px}
.ss-faq .accordion-item{
  background:var(--surface-1);border:1px solid var(--line);border-radius:14px;
  margin-bottom:14px;overflow:hidden;transition:border-color .2s var(--ease);
}
.ss-faq .accordion-item:hover{border-color:rgba(47,217,197,.32)}
.ss-faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;min-height:44px;background:none;border:0;cursor:pointer;
  color:var(--text-1);font-size:16px;font-weight:600;text-align:left;line-height:1.6;
}
.ss-faq__q:hover{color:var(--text-1)}
.ss-faq__q i{color:var(--brand-2);flex:0 0 auto;transition:transform .2s var(--ease)}
.ss-faq__q[aria-expanded="true"] i{transform:rotate(45deg)}
.ss-faq__q:focus-visible{outline:2px solid var(--brand-2);outline-offset:-2px}
.ss-faq__a{padding:0 22px 20px;color:var(--text-2);font-size:15px;line-height:1.8}
.ss-faq__a p{margin:0}

/* ---------- CTA ---------- */
.ss-cta{
  position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;padding:40px;border-radius:24px;
  background:var(--surface-2);border:1px solid var(--line);box-shadow:var(--shadow);
}
.ss-cta::before{
  content:"";position:absolute;right:-90px;top:-90px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(58,111,247,.34),transparent 70%);pointer-events:none;
}
.ss-cta::after{
  content:"";position:absolute;left:-70px;bottom:-130px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,217,197,.20),transparent 70%);pointer-events:none;
}
.ss-cta__text{position:relative;z-index:1;max-width:620px}
.ss-cta__text h2{font-size:24px;font-weight:700;line-height:1.4}
.ss-cta__text p{margin-top:10px;color:var(--text-2);font-size:15px}
.ss-cta__actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.ss-footer{position:relative;z-index:1;background:var(--bg-deep);border-top:1px solid var(--line);padding:64px 0 0;margin-top:0}
.ss-footer .ss-logo__name{font-size:17px}
.ss-footer h4{font-size:15px;font-weight:600;color:var(--text-1);margin:0 0 16px}
.ss-footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.ss-footer ul a{color:var(--text-2);font-size:14px}
.ss-footer ul a:hover{color:var(--brand-2)}
.ss-footer__brand p{color:var(--text-2);font-size:14px;max-width:340px;margin:0 0 18px}
.ss-footer__contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--text-2)}
.ss-footer__contact i{color:var(--brand-2);width:18px;margin-right:8px;text-align:center}
.ss-footer__form label{display:block;font-size:14px;color:var(--text-3);margin-bottom:8px}
.ss-input{
  width:100%;height:44px;padding:0 14px;margin-bottom:12px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-1);
  font-size:15px;font-family:inherit;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.ss-input::placeholder{color:var(--text-3)}
.ss-input:focus{outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(47,217,197,.16)}
.ss-form-note{margin:10px 0 0;font-size:12px;color:var(--text-3);line-height:1.6}
.ss-footer__bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:26px;padding:20px 0 30px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.ss-footer__links{display:flex;gap:18px;flex-wrap:wrap}
.ss-footer__links a{color:var(--text-3)}
.ss-footer__links a:hover{color:var(--brand-2)}

/* ---------- Mask ---------- */
.ss-mask{
  position:fixed;inset:0;background:rgba(3,6,16,.6);z-index:75;
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);
}
.ss-mask.is-open{opacity:1;visibility:visible}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .ss-mega-panel{width:720px}
  .ss-mega-grid{grid-template-columns:1fr 1fr;gap:20px}
  .ss-mega-card{display:none}
}
@media (max-width:1023px){
  .ss-nav__menu{
    position:fixed;top:0;right:0;bottom:0;width:300px;max-width:84vw;margin:0;
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    padding:88px 20px 28px;overflow-y:auto;z-index:80;
    background:rgba(12,18,38,.98);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    border-left:1px solid var(--line);
    transform:translateX(100%);transition:transform .25s var(--ease);
  }
  .ss-nav__menu.is-open{transform:translateX(0)}
  .ss-nav__link{padding:14px 14px;border-radius:12px;font-size:16px;min-height:44px;display:flex;align-items:center}
  .ss-nav__link.is-active{background:rgba(58,111,247,.18);color:var(--text-1)}
  .ss-nav__link.is-active::after{display:none}
  .ss-nav__burger{display:inline-flex}
  .ss-mega-wrap{display:none}
  .ss-section{padding:64px 0}
  .ss-section--tight{padding-top:44px}
  .ss-band--spec{padding-bottom:64px}
  .ss-band--guarantee{padding-bottom:64px}
  .ss-cathero{min-height:auto;padding:40px 0 36px}
  .ss-cathero h1{font-size:32px}
  .ss-spec{grid-template-columns:repeat(3,1fr)}
  .ss-guarantee{grid-template-columns:repeat(2,1fr)}
  .ss-filter{position:static}
}
@media (max-width:767px){
  .ss-cathero h1{font-size:28px}
  .ss-cathero__sub{font-size:15px}
  .ss-section{padding:48px 0}
  .ss-section--tight{padding-top:36px}
  .ss-section__title{font-size:22px}
  .ss-spec{grid-template-columns:repeat(2,1fr)}
  .ss-spec__num{font-size:25px}
  .ss-guarantee{grid-template-columns:1fr;gap:16px;padding:22px}
  .ss-cta{padding:28px 22px;border-radius:20px}
  .ss-cta__text h2{font-size:20px}
  .ss-cta__actions{width:100%}
  .ss-cta__actions .ss-btn{flex:1 1 100%}
  .ss-footer{padding-top:48px}
  .ss-footer__bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .ss-card__desc{min-height:0}
}
@media (max-width:520px){
  .grid-container{padding-left:20px;padding-right:20px}
  .ss-logo__sub{display:none}
  .ss-toolbar{padding:12px 14px}
  .ss-toolbar__tab{font-size:13px;padding:8px 12px}
  .ss-filter{padding:18px}
  .ss-anchors a{font-size:13px;padding:8px 14px}
}

/* roulang page: category2 */
:root{
  --bg-deep:#070B1C;
  --bg-base:#0C1226;
  --surface-1:#121A34;
  --surface-2:#17203F;
  --brand:#3A6FF7;
  --brand-2:#2FD9C5;
  --accent:#FF7A45;
  --text-1:#EDF2FF;
  --text-2:#A7B3D4;
  --text-3:#6B7899;
  --ok:#34D399;
  --warn:#FFB020;
  --err:#FF5C5C;
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --glass:rgba(255,255,255,.055);
  --r-card:18px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --glow-brand:0 8px 28px rgba(58,111,247,.35);
  --glow-accent:0 8px 28px rgba(255,122,69,.35);
  --ease:cubic-bezier(.2,.8,.2,1);
}

*,*::before,*::after{box-sizing:border-box;}

html{scroll-behavior:smooth;}

body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

img{display:block;max-width:100%;height:auto;border:0;}
a{color:inherit;text-decoration:none;background-color:transparent;transition:color .2s var(--ease);}
a:hover{color:var(--brand-2);}
button{font-family:inherit;}
input,button,select,textarea{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;letter-spacing:0;}
h1{font-size:36px;line-height:1.2;}
h2{font-size:29px;line-height:1.3;}
h3{font-size:21px;line-height:1.45;}
h4{font-size:17px;line-height:1.55;}
time{font-variant-numeric:tabular-nums;}

.grid-container{max-width:1200px;width:100%;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1024px){.grid-container{padding-left:24px;padding-right:24px;}}
@media (min-width:1440px){.grid-container{max-width:1280px;}}

.ss-section{padding:88px 0;position:relative;}
.ss-section--alt{background:var(--bg-deep);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
@media (max-width:1024px){.ss-section{padding:64px 0;}}
@media (max-width:640px){.ss-section{padding:48px 0;}}

.ss-section__head{max-width:720px;margin-bottom:34px;}
.ss-section__head--center{margin-left:auto;margin-right:auto;text-align:center;}
.ss-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:2px;color:var(--brand-2);text-transform:uppercase;margin-bottom:14px;}
.ss-eyebrow::before{content:"";width:22px;height:1px;background:var(--brand-2);opacity:.7;}
.ss-section__title{margin-bottom:14px;}
.ss-section__sub{color:var(--text-2);font-size:16px;line-height:1.85;margin:0;}

/* ---------- header ---------- */
.ss-header{
  position:sticky;top:0;z-index:70;
  background:rgba(10,15,33,.84);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
}
.ss-nav{display:flex;align-items:center;gap:22px;height:72px;}
.ss-logo{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.ss-logo__mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),#5B8CFF);
  color:#fff;font-size:14px;box-shadow:var(--glow-brand);
}
.ss-logo__text{display:flex;flex-direction:column;line-height:1.15;}
.ss-logo__name{font-size:16px;font-weight:700;color:var(--text-1);letter-spacing:.2px;}
.ss-logo__sub{font-size:11px;color:var(--text-3);letter-spacing:1.4px;}

.ss-nav__menu{display:flex;align-items:center;gap:2px;margin-left:6px;}
.ss-nav__link{position:relative;padding:9px 13px;font-size:15px;color:var(--text-2);border-radius:10px;white-space:nowrap;}
.ss-nav__link:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.ss-nav__link.is-active{color:var(--text-1);}
.ss-nav__link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;border-radius:2px;
  background:var(--brand-2);box-shadow:0 0 0 1px rgba(47,217,197,.35);
}

.ss-nav__side{display:flex;align-items:center;gap:12px;margin-left:auto;}
.ss-mega-wrap{position:relative;}
.ss-mega-toggle{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.14);
  background:var(--glass);color:var(--text-1);font-size:14px;cursor:pointer;
  transition:all .2s var(--ease);backdrop-filter:blur(14px);
}
.ss-mega-toggle:hover{border-color:rgba(47,217,197,.5);color:var(--brand-2);}
.ss-mega-toggle i{font-size:11px;transition:transform .2s var(--ease);}
.ss-mega-wrap.is-open .ss-mega-toggle{border-color:rgba(47,217,197,.5);color:var(--brand-2);}
.ss-mega-wrap.is-open .ss-mega-toggle i{transform:rotate(180deg);}
.ss-mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);width:880px;max-width:calc(100vw - 48px);
  padding:24px;border-radius:20px;
  background:rgba(18,26,52,.94);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:0 30px 60px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.06);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s;
}
.ss-mega-wrap.is-open .ss-mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.ss-mega-grid{display:grid;grid-template-columns:1.25fr 1fr .95fr;gap:24px;}
.ss-mega-title{font-size:12px;letter-spacing:1.6px;color:var(--text-3);margin-bottom:12px;}
.ss-mega-list li{margin-bottom:2px;}
.ss-mega-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:9px 12px;border-radius:10px;font-size:14px;color:var(--text-2);
}
.ss-mega-list a:hover{background:rgba(255,255,255,.06);color:var(--text-1);}
.ss-mega-count{font-size:12px;color:var(--brand-2);font-variant-numeric:tabular-nums;white-space:nowrap;}
.ss-mega-post{display:block;padding:10px 0;border-bottom:1px solid var(--line-soft);}
.ss-mega-post:last-child{border-bottom:0;}
.ss-mega-post b{display:block;font-size:14px;font-weight:600;color:var(--text-1);line-height:1.6;}
.ss-mega-post span{font-size:12px;color:var(--text-3);}
.ss-mega-card{display:block;border-radius:16px;overflow:hidden;border:1px solid var(--line);background:var(--surface-2);}
.ss-mega-card img{width:100%;height:118px;object-fit:cover;transition:transform .3s var(--ease);}
.ss-mega-card:hover img{transform:scale(1.04);}
.ss-mega-card__body{padding:14px 16px;}
.ss-mega-card__body b{display:block;font-size:14.5px;color:var(--text-1);margin-bottom:4px;}
.ss-mega-card__body span{font-size:12px;color:var(--brand-2);}

.ss-nav__burger{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--glass);color:var(--text-1);
  font-size:16px;cursor:pointer;align-items:center;justify-content:center;
}
.ss-nav__burger:hover{color:var(--brand-2);border-color:rgba(47,217,197,.45);}

.ss-mask{position:fixed;inset:0;background:rgba(0,0,0,.6);opacity:0;visibility:hidden;transition:.25s var(--ease);z-index:88;}
.ss-mask.is-open{opacity:1;visibility:visible;}

.ss-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(340px,86vw);
  background:var(--bg-deep);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .3s var(--ease);
  z-index:92;overflow-y:auto;padding:22px 20px 40px;
}
.ss-drawer.is-open{transform:translateX(0);}
.ss-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.ss-drawer__close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--glass);color:var(--text-1);font-size:16px;cursor:pointer;
}
.ss-drawer__close:hover{color:var(--brand-2);border-color:rgba(47,217,197,.45);}
.ss-drawer__nav a{
  display:block;padding:14px 4px;font-size:16px;color:var(--text-2);
  border-bottom:1px solid var(--line-soft);
}
.ss-drawer__nav a.is-active{color:var(--brand-2);}
.ss-drawer__sub{margin-top:26px;}
.ss-drawer__sub h4{font-size:13px;letter-spacing:1.4px;color:var(--text-3);margin-bottom:12px;}
.ss-drawer__sub a{display:block;padding:9px 0;font-size:14px;color:var(--text-2);}
.ss-drawer__sub a:hover{color:var(--brand-2);}

@media (max-width:1023px){
  .ss-nav__menu{display:none;}
  .ss-mega-wrap{display:none;}
  .ss-nav__burger{display:inline-flex;}
  .ss-nav{height:64px;}
}

/* ---------- breadcrumb ---------- */
.ss-breadcrumb{font-size:13px;color:var(--text-3);padding-top:22px;}
.ss-breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.ss-breadcrumb li{display:flex;align-items:center;gap:8px;}
.ss-breadcrumb li+li::before{content:"/";color:var(--text-3);opacity:.7;}
.ss-breadcrumb a{color:var(--text-3);}
.ss-breadcrumb a:hover{color:var(--brand-2);}
.ss-breadcrumb [aria-current]{color:var(--text-2);}

/* ---------- category hero ---------- */
.cat-hero{
  position:relative;margin-top:18px;border-radius:24px;overflow:hidden;
  min-height:310px;display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border:1px solid var(--line);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,11,28,.90) 0%,rgba(12,18,38,.76) 52%,rgba(7,11,28,.52) 100%);
}
.cat-hero__inner{position:relative;z-index:2;padding:52px 44px;max-width:760px;}
.cat-hero__tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:6px;font-size:12px;
  border:1px solid rgba(47,217,197,.5);color:var(--brand-2);
  background:rgba(47,217,197,.08);margin-bottom:18px;
}
.cat-hero__title{font-size:40px;line-height:1.22;margin-bottom:16px;}
.cat-hero__title span{color:var(--brand-2);font-size:.62em;font-weight:600;display:inline-block;margin-left:6px;}
.cat-hero__desc{color:var(--text-2);font-size:16.5px;line-height:1.85;margin:0;max-width:620px;}
.cat-anchors{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.cat-anchor{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-pill);font-size:14px;
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);
  backdrop-filter:blur(14px);transition:all .2s var(--ease);
}
.cat-anchor:hover{color:var(--text-1);border-color:rgba(47,217,197,.5);transform:translateY(-2px);}

@media (max-width:1024px){
  .cat-hero__inner{padding:44px 30px;}
  .cat-hero__title{font-size:34px;}
}
@media (max-width:640px){
  .cat-hero{min-height:0;border-radius:20px;}
  .cat-hero__inner{padding:34px 22px;}
  .cat-hero__title{font-size:27px;}
  .cat-hero__title span{display:block;margin:8px 0 0;font-size:.7em;}
  .cat-hero__desc{font-size:15.5px;}
}

/* ---------- Z rows ---------- */
.ss-zrow + .ss-zrow{margin-top:56px;}
.ss-zmedia{position:relative;}
.ss-figure{
  position:relative;margin:0;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);background:var(--surface-2);
  box-shadow:var(--shadow-card);
}
.ss-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s var(--ease);}
.ss-figure:hover img{transform:scale(1.045);}
.ss-figure::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(7,11,28,0) 45%,rgba(7,11,28,.45) 100%);
}
.ss-ztext{padding:6px 0;}
.ss-ztext h3{font-size:22px;margin-bottom:14px;}
.ss-ztext > p{color:var(--text-2);font-size:16px;line-height:1.85;margin-bottom:18px;}
.ss-points{margin-bottom:22px;}
.ss-points li{
  position:relative;padding-left:26px;margin-bottom:12px;
  font-size:15.5px;color:var(--text-2);line-height:1.8;
}
.ss-points li::before{
  content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:50%;
  background:var(--brand-2);box-shadow:0 0 0 4px rgba(47,217,197,.14);
}
.ss-ztext h3::after{
  content:"";display:block;width:36px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--brand-2),var(--brand));margin-top:12px;
}
@media (min-width:1024px){
  .ss-zrow.is-reverse .ss-zmedia{order:2;}
  .ss-zrow.is-reverse .ss-ztext{order:1;}
}
@media (max-width:1023px){
  .ss-figure{margin-bottom:26px;}
  .ss-zrow + .ss-zrow{margin-top:48px;}
}

/* ---------- link ---------- */
.ss-link{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  font-size:15px;font-weight:600;color:var(--brand-2);
}
.ss-link::after{
  content:"";position:absolute;left:0;bottom:-3px;width:0;height:1px;
  background:currentColor;transition:width .2s var(--ease);
}
.ss-link:hover{color:var(--brand-2);}
.ss-link:hover::after{width:100%;}
.ss-link i{font-size:12px;}

/* ---------- steps ---------- */
.ss-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.ss-step{
  position:relative;padding:28px 24px;border-radius:var(--r-card);
  background:var(--surface-1);border:1px solid var(--line-soft);
  box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.ss-step:hover{transform:translateY(-4px);border-color:rgba(47,217,197,.35);}
.ss-step__num{
  display:block;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:28px;font-weight:700;color:var(--accent);letter-spacing:-.5px;line-height:1;margin-bottom:16px;
}
.ss-step h3{font-size:19px;margin-bottom:10px;}
.ss-step p{font-size:15px;color:var(--text-2);margin:0;line-height:1.8;}
.ss-step::before{
  content:"";position:absolute;top:36px;right:-22px;width:22px;height:1px;
  background:linear-gradient(90deg,rgba(47,217,197,.5),rgba(47,217,197,0));
}
.ss-step:last-child::before{display:none;}
@media (max-width:1023px){
  .ss-steps{grid-template-columns:repeat(2,1fr);}
  .ss-step::before{display:none;}
}
@media (max-width:640px){
  .ss-steps{grid-template-columns:1fr;}
}

/* ---------- table ---------- */
.ss-table-wrap{
  overflow-x:auto;border-radius:var(--r-card);
  border:1px solid var(--line);background:var(--surface-1);
  box-shadow:var(--shadow-card);
  -webkit-overflow-scrolling:touch;
}
.ss-table{width:100%;min-width:760px;border-collapse:collapse;font-size:15px;}
.ss-table thead th{
  background:rgba(255,255,255,.055);color:var(--text-1);font-weight:600;
  text-align:left;padding:16px 20px;font-size:13.5px;letter-spacing:.6px;
  border-bottom:1px solid var(--line);white-space:nowrap;
}
.ss-table tbody td{
  padding:16px 20px;color:var(--text-2);
  border-bottom:1px solid var(--line-soft);line-height:1.75;
}
.ss-table tbody tr:nth-child(even){background:rgba(255,255,255,.022);}
.ss-table tbody tr:last-child td{border-bottom:0;}
.ss-table tbody td:first-child{color:var(--text-1);font-weight:600;}
.ss-table tbody td .ss-dot{color:var(--brand-2);}
.ss-scroll-tip{display:none;font-size:13px;color:var(--text-3);margin-top:12px;}
@media (max-width:768px){.ss-scroll-tip{display:block;}}

/* ---------- badges ---------- */
.ss-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:6px;font-size:12px;line-height:1.5;
}
.ss-badge--ghost{border:1px solid rgba(47,217,197,.5);color:var(--brand-2);background:rgba(47,217,197,.08);}
.ss-badge--solid{background:var(--accent);color:#20100A;font-weight:600;}
.ss-badge--glass{background:var(--glass);border:1px solid var(--line);color:var(--text-1);}

/* ---------- FAQ ---------- */
.ss-faq{max-width:920px;}
.ss-faq__item{
  border:1px solid var(--line);border-radius:14px;background:var(--surface-1);
  margin-bottom:14px;overflow:hidden;
  box-shadow:0 14px 30px rgba(0,0,0,.35);
  transition:border-color .2s var(--ease);
}
.ss-faq__item.is-open{border-color:rgba(47,217,197,.4);}
.ss-faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 22px;background:none;border:0;color:var(--text-1);
  font-size:17px;font-weight:600;text-align:left;cursor:pointer;line-height:1.6;
}
.ss-faq__q:hover{color:var(--brand-2);}
.ss-faq__q:focus-visible{outline:2px solid var(--brand-2);outline-offset:-3px;}
.ss-faq__icon{position:relative;width:20px;height:20px;flex:0 0 20px;}
.ss-faq__icon::before,.ss-faq__icon::after{
  content:"";position:absolute;background:var(--brand-2);border-radius:2px;
  transition:transform .2s var(--ease);
}
.ss-faq__icon::before{left:0;top:9px;width:20px;height:2px;}
.ss-faq__icon::after{left:9px;top:0;width:2px;height:20px;}
.ss-faq__item.is-open .ss-faq__icon::after{transform:scaleY(0);}
.ss-faq__a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
.ss-faq__a p{
  margin:0;padding:0 22px 20px;color:var(--text-2);
  font-size:15.5px;line-height:1.85;
}
.ss-faq__item.is-open .ss-faq__a{max-height:420px;}

/* ---------- CTA ---------- */
.ss-cta{
  position:relative;overflow:hidden;border-radius:24px;
  padding:52px 48px;border:1px solid var(--line);
  background:rgba(255,255,255,.055);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:var(--shadow-card);
}
.ss-cta::before{
  content:"";position:absolute;right:-90px;top:-110px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(58,111,247,.34) 0%,rgba(58,111,247,0) 68%);
  pointer-events:none;
}
.ss-cta::after{
  content:"";position:absolute;left:-70px;bottom:-120px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,217,197,.22) 0%,rgba(47,217,197,0) 70%);
  pointer-events:none;
}
.ss-cta__text{position:relative;z-index:2;max-width:620px;}
.ss-cta__text h2{font-size:28px;margin-bottom:12px;}
.ss-cta__text p{color:var(--text-2);font-size:16px;margin:0;}
.ss-cta__actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto;}
@media (max-width:900px){
  .ss-cta{flex-direction:column;align-items:flex-start;padding:38px 26px;gap:26px;}
  .ss-cta__text h2{font-size:24px;}
}

/* ---------- buttons ---------- */
.ss-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-size:15px;font-weight:600;line-height:1;padding:16px 30px;
  border-radius:var(--r-pill);border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.ss-btn i{font-size:13px;}
.ss-btn--primary{background:var(--accent);color:#20100A;box-shadow:var(--glow-accent);}
.ss-btn--primary:hover{color:#20100A;transform:translateY(-2px);box-shadow:0 14px 36px rgba(255,122,69,.45);}
.ss-btn--primary:active{transform:translateY(1px);}
.ss-btn--ghost{
  background:transparent;border-color:rgba(47,217,197,.55);color:var(--brand-2);
  border-radius:var(--r-btn);padding:15px 26px;
}
.ss-btn--ghost:hover{background:rgba(47,217,197,.10);color:var(--brand-2);transform:translateY(-2px);}
.ss-btn--ghost:active{transform:translateY(1px);}
.ss-btn:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;}
.ss-btn--block{width:100%;}

/* ---------- footer ---------- */
.ss-footer{
  background:var(--bg-deep);border-top:1px solid var(--line-soft);
  padding:72px 0 0;margin-top:0;
}
.ss-footer h4{font-size:14px;letter-spacing:.8px;color:var(--text-1);margin-bottom:18px;}
.ss-footer__brand p{color:var(--text-2);font-size:15px;line-height:1.85;margin-bottom:18px;max-width:420px;}
.ss-footer__contact{display:flex;flex-direction:column;gap:10px;}
.ss-footer__contact span{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2);}
.ss-footer__contact i{color:var(--brand-2);font-size:13px;width:16px;text-align:center;}
.ss-footer ul li{margin-bottom:11px;}
.ss-footer ul a{font-size:14.5px;color:var(--text-2);}
.ss-footer ul a:hover{color:var(--brand-2);}
.ss-footer__form label{display:block;font-size:14px;color:var(--text-3);margin-bottom:8px;}
.ss-input{
  width:100%;height:44px;border-radius:var(--r-btn);padding:0 14px;
  background:var(--glass);border:1px solid var(--line);color:var(--text-1);
  margin-bottom:12px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.ss-input::placeholder{color:var(--text-3);}
.ss-input:focus{
  outline:none;border-color:rgba(47,217,197,.6);
  box-shadow:0 0 0 3px rgba(47,217,197,.14);
}
.ss-form-note{font-size:12.5px;color:var(--text-3);margin:12px 0 0;min-height:18px;}
.ss-footer__bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13.5px;color:var(--text-3);
}
.ss-footer__bottom a{color:var(--text-3);}
.ss-footer__bottom a:hover{color:var(--brand-2);}
.ss-footer__links{display:flex;flex-wrap:wrap;gap:16px;}
@media (max-width:640px){
  .ss-footer{padding-top:48px;}
  .ss-footer__bottom{justify-content:flex-start;}
}

/* ---------- deco ---------- */
.ss-stars{position:absolute;pointer-events:none;opacity:.5;}
.ss-stars--a{top:60px;right:8%;width:180px;height:180px;background:radial-gradient(circle at 30% 30%,rgba(47,217,197,.35) 0%,rgba(47,217,197,0) 62%);}
.ss-stars--b{bottom:40px;left:4%;width:220px;height:120px;background:radial-gradient(ellipse at 50% 50%,rgba(58,111,247,.28) 0%,rgba(58,111,247,0) 70%);}
.ss-section > .grid-container{position:relative;z-index:2;}

/* roulang page: category3 */
:root{
  --bg-deep:#070B1C;
  --bg-base:#0C1226;
  --surface-1:#121A34;
  --surface-2:#17203F;
  --brand:#3A6FF7;
  --brand-2:#2FD9C5;
  --accent:#FF7A45;
  --ok:#34D399;
  --warn:#FFB020;
  --err:#FF5C5C;
  --text-1:#EDF2FF;
  --text-2:#A7B3D4;
  --text-3:#6B7899;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.16);
  --glass:rgba(255,255,255,.055);
  --r-xs:6px;
  --r-sm:12px;
  --r-md:18px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-soft:0 10px 26px rgba(0,0,0,.32);
  --glow-brand:0 8px 28px rgba(58,111,247,.35);
  --glow-teal:0 0 0 1px rgba(47,217,197,.35);
  --ease:cubic-bezier(.2,.8,.2,1);
  --sp:88px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Barlow Condensed",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease);}
a:hover{color:var(--brand-2);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:0;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;}
::selection{background:rgba(58,111,247,.45);color:#fff;}

.grid-container{max-width:1200px;padding-left:20px;padding-right:20px;}
@media (min-width:1440px){.grid-container{max-width:1280px;}}

/* ============ 顶部导航 ============ */
.ss-header{
  position:sticky;top:0;z-index:60;
  background:rgba(12,18,38,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.ss-nav{display:flex;align-items:center;gap:28px;min-height:72px;}
.ss-logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.ss-logo__mark{
  width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand),#1B3FA8);
  color:#fff;font-size:17px;
  box-shadow:var(--glow-brand);
}
.ss-logo__text{display:flex;flex-direction:column;line-height:1.2;}
.ss-logo__name{font-size:17px;font-weight:700;letter-spacing:-.3px;color:var(--text-1);}
.ss-logo__sub{font-size:12px;color:var(--text-3);letter-spacing:1px;}
.ss-nav__menu{display:flex;align-items:center;gap:6px;flex:1 1 auto;}
.ss-nav__link{
  position:relative;
  padding:10px 12px;
  font-size:15px;color:var(--text-2);
  border-radius:10px;
  white-space:nowrap;
}
.ss-nav__link:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.ss-nav__link.is-active{color:var(--text-1);font-weight:600;}
.ss-nav__link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--brand-2);box-shadow:0 0 0 1px rgba(47,217,197,.35);
}
.ss-nav__side{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.ss-mega-wrap{position:relative;}
.ss-mega-toggle{
  display:inline-flex;align-items:center;gap:8px;
  height:42px;padding:0 16px;
  font-size:14px;color:var(--text-1);
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-sm);
  cursor:pointer;transition:all .2s var(--ease);
}
.ss-mega-toggle:hover{border-color:rgba(47,217,197,.45);color:var(--brand-2);}
.ss-mega-toggle i{font-size:11px;transition:transform .2s var(--ease);}
.ss-mega-toggle[aria-expanded="true"] i{transform:rotate(180deg);}
.ss-mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);
  width:880px;max-width:calc(100vw - 40px);
  padding:24px;
  background:rgba(18,26,52,.94);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid var(--line-strong);border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s;
}
.ss-mega-panel.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.ss-mega-grid{display:grid;grid-template-columns:1.15fr 1fr .9fr;gap:26px;}
.ss-mega-title{
  font-size:12px;letter-spacing:1.4px;color:var(--text-3);
  text-transform:uppercase;margin-bottom:14px;
}
.ss-mega-list li a,.ss-mega-news li a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:8px 10px;margin:0 -10px;border-radius:8px;
  font-size:14px;color:var(--text-2);
}
.ss-mega-list li a:hover,.ss-mega-news li a:hover{background:rgba(255,255,255,.05);color:var(--text-1);}
.ss-mega-count{font-family:var(--font-num);font-size:13px;color:var(--brand-2);}
.ss-mega-news li a{flex-direction:column;align-items:flex-start;gap:2px;}
.ss-mega-news li time{font-size:12px;color:var(--text-3);font-family:var(--font-num);}
.ss-mega-card{
  display:block;border-radius:var(--r-sm);overflow:hidden;
  border:1px solid var(--line);background:var(--surface-1);
}
.ss-mega-card img{width:100%;height:118px;object-fit:cover;transition:transform .3s var(--ease);}
.ss-mega-card:hover img{transform:scale(1.04);}
.ss-mega-card span{display:block;padding:12px 14px;font-size:14px;color:var(--text-1);}
.ss-mega-card em{display:block;font-style:normal;font-size:12px;color:var(--brand-2);margin-top:4px;}
.ss-burger{
  display:none;width:44px;height:44px;border-radius:12px;
  background:var(--glass);border:1px solid var(--line);color:var(--text-1);
  font-size:16px;cursor:pointer;
}

/* 移动抽屉 */
.ss-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);z-index:90;
  background:var(--surface-1);border-left:1px solid var(--line-strong);
  padding:22px 20px 40px;overflow-y:auto;
  transform:translateX(100%);transition:transform .26s var(--ease);
}
.ss-drawer.is-open{transform:translateX(0);}
.ss-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.ss-drawer__close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:transparent;color:var(--text-1);font-size:16px;cursor:pointer;
}
.ss-drawer__group{font-size:12px;letter-spacing:1.2px;color:var(--text-3);margin:20px 0 10px;}
.ss-drawer a{display:block;padding:13px 12px;border-radius:12px;font-size:15px;color:var(--text-2);}
.ss-drawer a:hover{background:rgba(255,255,255,.06);color:var(--text-1);}
.ss-drawer a.is-active{color:var(--brand-2);}
.ss-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .26s var(--ease),visibility .26s;
}
.ss-mask.is-open{opacity:1;visibility:visible;}

/* ============ 通用组件 ============ */
.ss-section{padding:var(--sp) 0;}
.ss-section--tight{padding:64px 0;}
.ss-section--alt{background:var(--bg-deep);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.ss-head{max-width:760px;margin-bottom:34px;}
.ss-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.ss-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:1.6px;color:var(--brand-2);
  margin-bottom:12px;
}
.ss-eyebrow::before{content:"";width:18px;height:1px;background:var(--brand-2);display:inline-block;}
h2.ss-title{font-size:30px;}
.ss-sub{margin-top:14px;color:var(--text-2);font-size:16px;}
.ss-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;font-size:12px;border-radius:var(--r-xs);line-height:1.6;
}
.ss-badge--cat{color:var(--brand-2);border:1px solid rgba(47,217,197,.4);background:transparent;}
.ss-badge--state{background:var(--accent);color:#241005;font-weight:700;}
.ss-badge--data{background:var(--glass);border:1px solid var(--line);color:var(--text-1);}
.ss-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;font-size:15px;font-weight:600;
  border-radius:var(--r-pill);border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.ss-btn--primary{background:var(--accent);color:#241005;box-shadow:var(--glow-brand);}
.ss-btn--primary:hover{color:#241005;transform:translateY(-2px);box-shadow:0 12px 32px rgba(255,122,69,.35);}
.ss-btn--ghost{background:transparent;color:var(--text-1);border-color:rgba(47,217,197,.5);border-radius:var(--r-sm);}
.ss-btn--ghost:hover{color:var(--brand-2);border-color:var(--brand-2);transform:translateY(-2px);}
.ss-btn--block{width:100%;}
.ss-btn:active{transform:translateY(1px);}
.ss-card{
  background:var(--surface-1);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.ss-card:hover{border-color:rgba(47,217,197,.4);}

/* ============ 内页 Hero ============ */
.ss-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.ss-hero--slim{min-height:308px;display:flex;align-items:center;padding:56px 0;}
.ss-hero__bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.55;}
.ss-hero__mask{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,11,28,.94) 0%,rgba(7,11,28,.74) 45%,rgba(23,32,63,.62) 100%);
}
.ss-hero__inner{position:relative;z-index:2;width:100%;}
.ss-crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:14px;}
.ss-crumb a{color:var(--text-3);}
.ss-crumb a:hover{color:var(--brand-2);}
.ss-crumb .is-current{color:var(--text-2);}
.ss-hero h1{font-size:40px;max-width:760px;}
.ss-hero__sub{margin-top:14px;max-width:640px;color:var(--text-2);font-size:17px;}
.ss-hero__anchor{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.ss-hero__anchor a{
  font-size:13px;color:var(--text-2);
  padding:7px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--glass);
}
.ss-hero__anchor a:hover{color:var(--brand-2);border-color:rgba(47,217,197,.45);}

/* ============ 数据指标带 ============ */
.ss-metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.ss-metric{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.ss-metric__num{
  font-family:var(--font-num);font-size:40px;line-height:1;
  color:var(--accent);letter-spacing:-.5px;
}
.ss-metric__num small{font-size:16px;margin-left:4px;color:var(--accent);}
.ss-metric__label{margin-top:10px;font-size:15px;color:var(--text-1);font-weight:600;}
.ss-metric__desc{margin-top:6px;font-size:13px;color:var(--text-3);line-height:1.7;}

/* ============ 三档方案阶梯 ============ */
.ss-tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.ss-tier{
  position:relative;
  display:flex;flex-direction:column;
  background:var(--surface-1);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:28px;
  box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.ss-tier:hover{transform:translateY(-4px);border-color:rgba(47,217,197,.4);}
.ss-tier.is-featured{
  border-color:rgba(47,217,197,.6);
  background:var(--surface-2);
  transform:translateY(-8px);
  box-shadow:0 22px 50px rgba(0,0,0,.5), 0 0 0 1px rgba(47,217,197,.35);
}
.ss-tier.is-featured:hover{transform:translateY(-12px);}
.ss-tier__tag{position:absolute;top:-12px;left:28px;}
.ss-tier h3{font-size:21px;}
.ss-tier__for{margin-top:8px;font-size:13px;color:var(--text-3);}
.ss-tier__price{
  margin:18px 0 4px;font-family:var(--font-num);font-size:38px;color:var(--accent);line-height:1;
}
.ss-tier__price span{font-family:var(--font-cn);font-size:14px;color:var(--text-3);margin-left:6px;}
.ss-tier__cycle{font-size:13px;color:var(--text-3);}
.ss-tier ul{margin:20px 0 24px;display:grid;gap:10px;}
.ss-tier ul li{
  position:relative;padding-left:24px;font-size:14px;color:var(--text-2);line-height:1.7;
}
.ss-tier ul li::before{
  content:"";position:absolute;left:4px;top:9px;
  width:7px;height:7px;border-radius:50%;
  background:var(--brand-2);
}
.ss-tier .ss-btn{margin-top:auto;}

/* ============ 对比表 ============ */
.ss-table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--surface-1);
  -webkit-overflow-scrolling:touch;
}
table.ss-table{width:100%;border-collapse:collapse;min-width:760px;}
table.ss-table th,table.ss-table td{
  padding:16px 18px;text-align:left;font-size:14px;
  border-bottom:1px solid var(--line);
}
table.ss-table thead th{
  background:var(--glass);
  color:var(--text-1);font-weight:600;font-size:14px;
  border-bottom:1px solid var(--line-strong);
}
table.ss-table tbody tr:nth-child(even){background:rgba(255,255,255,.022);}
table.ss-table tbody tr:last-child td{border-bottom:0;}
table.ss-table td:first-child{color:var(--text-2);}
table.ss-table td.is-key{color:var(--brand-2);font-weight:600;}
table.ss-table th.is-featured{color:var(--brand-2);}
.ss-table-note{margin-top:12px;font-size:13px;color:var(--text-3);}

/* ============ 流程步骤 ============ */
.ss-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.ss-step{position:relative;padding-top:26px;}
.ss-step::before{
  content:"";position:absolute;top:9px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(47,217,197,.55),rgba(58,111,247,.25));
}
.ss-step:last-child::before{background:linear-gradient(90deg,rgba(47,217,197,.55),transparent);}
.ss-step__dot{
  position:absolute;top:0;left:0;
  width:18px;height:18px;border-radius:50%;
  background:var(--bg-deep);border:2px solid var(--brand-2);
  box-shadow:0 0 0 1px rgba(47,217,197,.3);
}
.ss-step__idx{font-family:var(--font-num);font-size:13px;color:var(--text-3);}
.ss-step h3{font-size:18px;margin-top:6px;}
.ss-step p{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.8;}

/* ============ FAQ ============ */
.ss-faq{border:0;background:transparent;margin:0;}
.ss-faq .accordion-item{
  border:1px solid var(--line);border-radius:14px;background:var(--surface-1);
  margin-bottom:14px;overflow:hidden;
}
.ss-faq .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:16px;font-weight:600;color:var(--text-1);
  border:0;background:transparent;line-height:1.6;
}
.ss-faq .accordion-title:hover{color:var(--brand-2);}
.ss-faq__icon{
  position:relative;flex:0 0 24px;width:24px;height:24px;border-radius:50%;
  border:1px solid var(--line-strong);
}
.ss-faq__icon::before,.ss-faq__icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-2);
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.ss-faq__icon::before{width:11px;height:1.6px;transform:translate(-50%,-50%);}
.ss-faq__icon::after{width:1.6px;height:11px;transform:translate(-50%,-50%);}
.ss-faq .is-active .ss-faq__icon::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg);}
.ss-faq .accordion-content{padding:0 22px 22px;border:0;background:transparent;}
.ss-faq .accordion-content p{font-size:15px;line-height:1.85;color:var(--text-2);}

/* ============ CTA 条 ============ */
.ss-cta{
  position:relative;overflow:hidden;
  border:1px solid var(--line-strong);border-radius:var(--r-lg);
  padding:40px;
  background:var(--surface-1);
  box-shadow:var(--shadow-card);
}
.ss-cta__bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.28;z-index:0;
}
.ss-cta__mask{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg,rgba(7,11,28,.95),rgba(18,26,52,.72));
}
.ss-cta__inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;}
.ss-cta h2{font-size:26px;max-width:560px;}
.ss-cta p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:600px;}
.ss-cta__actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 页脚 ============ */
.ss-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:72px 0 28px;margin-top:0;}
.ss-footer h4{font-size:15px;color:var(--text-1);margin-bottom:16px;}
.ss-footer p{color:var(--text-2);font-size:14px;line-height:1.85;}
.ss-footer ul{display:grid;gap:10px;}
.ss-footer ul a{font-size:14px;color:var(--text-2);}
.ss-footer__contact{display:grid;gap:8px;margin-top:16px;font-size:13px;color:var(--text-3);}
.ss-footer__contact i{color:var(--brand-2);margin-right:8px;}
.ss-footer__form label{display:block;font-size:13px;color:var(--text-3);margin-bottom:8px;}
.ss-input{
  width:100%;height:44px;padding:0 14px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-sm);
  color:var(--text-1);font-size:14px;font-family:inherit;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.ss-input::placeholder{color:var(--text-3);}
.ss-input:focus{outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(47,217,197,.16);}
.ss-footer__form .ss-btn{margin-top:12px;}
.ss-form-note{margin-top:10px;font-size:12px;color:var(--text-3);}
.ss-footer__bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.ss-footer__bottom a{color:var(--text-3);margin-left:16px;}
.ss-footer__bottom a:hover{color:var(--brand-2);}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--sp:64px;}
  .ss-nav__menu{display:none;}
  .ss-burger{display:inline-flex;align-items:center;justify-content:center;}
  .ss-mega-wrap{display:none;}
  .ss-tiers{grid-template-columns:1fr;gap:20px;}
  .ss-tier.is-featured{transform:none;}
  .ss-tier.is-featured:hover{transform:translateY(-4px);}
  .ss-metrics{grid-template-columns:repeat(2,1fr);gap:16px;}
  .ss-steps{grid-template-columns:repeat(2,1fr);gap:26px 20px;}
  .ss-step:nth-child(2)::before{background:linear-gradient(90deg,rgba(47,217,197,.55),transparent);}
  .ss-hero h1{font-size:34px;}
}
@media (max-width:768px){
  body{font-size:15.5px;}
  .ss-hero--slim{min-height:auto;padding:40px 0;}
  .ss-hero h1{font-size:30px;}
  .ss-hero__sub{font-size:15.5px;}
  h2.ss-title{font-size:24px;}
  .ss-cta{padding:28px 22px;}
  .ss-cta__actions{width:100%;}
  .ss-btn{width:100%;}
  .ss-cta__actions .ss-btn{width:100%;}
  .ss-footer{padding:56px 0 24px;}
}
@media (max-width:520px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .ss-metrics{grid-template-columns:1fr;}
  .ss-steps{grid-template-columns:1fr;}
  .ss-step::before{display:none;}
  .ss-step{padding-top:0;padding-left:26px;}
  .ss-step__dot{top:4px;}
  .ss-metric__num{font-size:34px;}
  .ss-footer__bottom{flex-direction:column;align-items:flex-start;}
  .ss-footer__bottom a{margin-left:0;margin-right:16px;}
}

/* roulang page: category4 */
/* ================= 设计变量 ================= */
:root{
  --bg-deep:#070B1C;
  --bg-base:#0C1226;
  --surface-1:#121A34;
  --surface-2:#17203F;
  --brand:#3A6FF7;
  --brand-2:#2FD9C5;
  --accent:#FF7A45;
  --text-1:#EDF2FF;
  --text-2:#A7B3D4;
  --text-3:#6B7899;
  --ok:#34D399;
  --warn:#FFB020;
  --err:#FF5C5C;
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --glass:rgba(255,255,255,.055);
  --r-card:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-card:0 18px 40px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --sh-soft:0 10px 24px rgba(0,0,0,.32);
  --sh-glow:0 8px 28px rgba(58,111,247,.35);
  --sec:88px;
  --container:1200px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed",ui-monospace,SFMono-Regular,Menlo,monospace;
}
@media (min-width:1440px){ :root{ --container:1280px; } }

/* ================= 基础 reset ================= */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0;
  background-color:var(--bg-base);
  background-image:
    radial-gradient(1.6px 1.6px at 12% 12%, rgba(255,255,255,.28), transparent 60%),
    radial-gradient(1.4px 1.4px at 78% 5%, rgba(255,255,255,.20), transparent 60%),
    radial-gradient(1.6px 1.6px at 44% 42%, rgba(47,217,197,.18), transparent 60%),
    radial-gradient(1.3px 1.3px at 88% 68%, rgba(255,255,255,.16), transparent 60%);
  background-repeat:no-repeat;
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.88;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; border:0; }
a{ color:inherit; text-decoration:none; transition:color .2s ease; }
a:hover{ color:var(--brand-2); }
button{ font-family:inherit; }
ul,ol{ margin:0; padding:0; }
h1,h2,h3,h4{ margin:0; font-weight:700; line-height:1.35; color:var(--text-1); }
p{ margin:0 0 1em; }
:focus-visible{ outline:2px solid var(--brand-2); outline-offset:2px; }

.grid-container{
  max-width:var(--container);
  padding-left:20px;
  padding-right:20px;
  margin-left:auto;
  margin-right:auto;
}
@media (min-width:640px){
  .grid-container{ padding-left:32px; padding-right:32px; }
}

/* ================= 通用板块 ================= */
main{ display:block; }
.ss-section{ padding:var(--sec) 0; position:relative; }
.ss-section--tight{ padding:34px 0 0; }
.ss-section--band{
  background:linear-gradient(180deg,rgba(23,32,63,.66),rgba(12,18,38,.66));
  border-top:1px solid var(--line-soft);
  border-bottom:1px solid var(--line-soft);
}
@media (max-width:1023px){ .ss-section{ padding:64px 0; } .ss-section--tight{ padding:28px 0 0; } }
@media (max-width:639px){ .ss-section{ padding:48px 0; } .ss-section--tight{ padding:24px 0 0; } }

.ss-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:34px;
}
.ss-head h2{ font-size:30px; margin-top:8px; }
.ss-eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.16em;
  color:var(--brand-2);
  font-weight:600;
}
.ss-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--brand-2);
  font-size:15px;
  position:relative;
  padding-bottom:2px;
}
.ss-link::after{
  content:"";
  position:absolute;
  left:0; right:100%;
  bottom:0;
  height:1px;
  background:var(--brand-2);
  transition:right .2s cubic-bezier(.2,.8,.2,1);
}
.ss-link:hover::after{ right:0; }

/* ================= 徽章 / 标签 ================= */
.ss-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  line-height:1;
  padding:6px 10px;
  border-radius:6px;
  border:1px solid transparent;
  white-space:nowrap;
}
.ss-badge--ghost{ color:var(--brand-2); border-color:rgba(47,217,197,.45); background:rgba(47,217,197,.08); }
.ss-badge--accent{ color:#20100A; background:var(--accent); font-weight:700; }
.ss-badge--glass{ color:var(--text-1); background:var(--glass); border-color:var(--line); backdrop-filter:blur(14px); }

/* ================= 按钮 ================= */
.ss-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .2s cubic-bezier(.2,.8,.2,1), background .2s, border-color .2s, box-shadow .2s, color .2s;
}
.ss-btn--primary{ background:var(--accent); color:#1A0F08; box-shadow:var(--sh-glow); }
.ss-btn--primary:hover{ background:#ff8b5c; color:#1A0F08; transform:translateY(-2px); }
.ss-btn--primary:active{ transform:translateY(1px); }
.ss-btn--ghost{ background:transparent; color:var(--text-1); border-color:rgba(47,217,197,.55); }
.ss-btn--ghost:hover{ background:rgba(47,217,197,.10); border-color:var(--brand-2); color:var(--text-1); transform:translateY(-2px); }
.ss-btn--ghost:active{ transform:translateY(1px); }
.ss-btn--block{ width:100%; }

/* ================= 导航 ================= */
.ss-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(7,11,28,.74);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
}
.ss-nav{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:72px;
}
.ss-logo{ display:flex; align-items:center; gap:12px; flex:none; }
.ss-logo__mark{
  width:38px; height:38px;
  border-radius:12px;
  display:grid; place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;
  font-size:15px;
  box-shadow:0 8px 22px rgba(58,111,247,.32);
}
.ss-logo__text{ display:flex; flex-direction:column; line-height:1.2; }
.ss-logo__name{ font-size:18px; font-weight:700; letter-spacing:-.5px; color:var(--text-1); }
.ss-logo__sub{ font-size:12px; color:var(--text-3); }

.ss-nav__menu{
  display:flex;
  align-items:center;
  gap:2px;
  flex:1;
  margin-left:8px;
}
.ss-nav__link{
  position:relative;
  padding:10px 14px;
  border-radius:10px;
  font-size:15px;
  color:var(--text-2);
  transition:color .2s, background .2s;
}
.ss-nav__link:hover{ color:var(--text-1); background:rgba(255,255,255,.05); }
.ss-nav__link.is-active{ color:var(--text-1); font-weight:600; }
.ss-nav__link.is-active::after{
  content:"";
  position:absolute;
  left:14px; right:14px; bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--brand-2);
  box-shadow:0 0 0 1px rgba(47,217,197,.35);
}

.ss-nav__side{ margin-left:auto; display:flex; align-items:center; gap:12px; }
.ss-mega-wrap{ position:relative; }
.ss-mega-toggle{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 16px;
  border-radius:var(--r-pill);
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--text-1);
  font-size:14px;
  cursor:pointer;
  backdrop-filter:blur(14px);
  transition:border-color .2s, background .2s, transform .2s;
}
.ss-mega-toggle:hover{ border-color:rgba(47,217,197,.5); transform:translateY(-2px); }
.ss-mega-toggle i{ font-size:11px; color:var(--brand-2); transition:transform .2s; }
.ss-mega-wrap.is-open .ss-mega-toggle i{ transform:rotate(180deg); }

.ss-mega-panel{
  position:absolute;
  right:0;
  top:calc(100% + 12px);
  width:880px;
  max-width:calc(100vw - 40px);
  padding:26px;
  border-radius:20px;
  background:rgba(18,26,52,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:var(--sh-card);
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .18s ease, transform .18s ease, visibility .18s;
}
.ss-mega-wrap.is-open .ss-mega-panel{ opacity:1; visibility:visible; transform:translateY(0); }
.ss-mega-grid{ display:grid; grid-template-columns:1.2fr 1fr .9fr; gap:26px; }
.ss-mega-title{ font-size:13px; color:var(--text-3); letter-spacing:.08em; margin-bottom:12px; }
.ss-mega-list{ list-style:none; display:grid; gap:4px; }
.ss-mega-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:7px 10px;
  border-radius:8px;
  font-size:14px;
  color:var(--text-2);
  transition:background .2s, color .2s;
}
.ss-mega-list a:hover{ background:rgba(255,255,255,.05); color:var(--text-1); }
.ss-mega-count{ font-family:var(--font-num); font-size:13px; color:var(--brand-2); }
.ss-mega-time{ font-family:var(--font-num); font-size:12px; color:var(--text-3); }
.ss-mega-card{
  display:block;
  border-radius:14px;
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--surface-2);
  transition:transform .2s, border-color .2s;
}
.ss-mega-card:hover{ transform:translateY(-4px); border-color:rgba(47,217,197,.45); }
.ss-mega-card img{ width:100%; height:104px; object-fit:cover; }
.ss-mega-card__t{ display:block; padding:12px 14px 4px; font-size:15px; font-weight:600; color:var(--text-1); }
.ss-mega-card__a{ display:block; padding:0 14px 14px; font-size:13px; color:var(--brand-2); }

.ss-burger{
  display:none;
  width:44px; height:44px;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--text-1);
  cursor:pointer;
  place-items:center;
}
.ss-backdrop{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.6);
  opacity:0;
  visibility:hidden;
  transition:opacity .24s;
  z-index:70;
}
.ss-backdrop.is-open{ opacity:1; visibility:visible; }

@media (max-width:1180px){
  .ss-nav__link{ padding:10px 10px; font-size:14px; }
  .ss-mega-panel{ width:760px; }
}
@media (max-width:1023px){
  .ss-burger{ display:grid; }
  .ss-nav__menu{
    position:fixed;
    top:0; right:0;
    height:100%;
    width:min(320px,86vw);
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    margin:0;
    padding:88px 20px 28px;
    background:var(--bg-deep);
    border-left:1px solid var(--line);
    transform:translateX(100%);
    transition:transform .24s cubic-bezier(.2,.8,.2,1);
    z-index:80;
    overflow-y:auto;
  }
  .ss-nav__menu.is-open{ transform:translateX(0); }
  .ss-nav__link{ padding:14px 12px; font-size:16px; border-radius:12px; }
  .ss-nav__link.is-active::after{ left:12px; right:auto; width:22px; bottom:8px; }
  .ss-mega-panel{
    position:fixed;
    left:16px; right:16px;
    top:auto;
    width:auto;
    max-width:none;
    max-height:70vh;
    overflow-y:auto;
  }
  .ss-mega-grid{ grid-template-columns:1fr; gap:20px; }
}
@media (max-width:639px){
  .ss-nav{ min-height:64px; gap:12px; }
  .ss-logo__name{ font-size:16px; }
  .ss-logo__sub{ display:none; }
}

/* ================= 面包屑与 Hero ================= */
.ss-crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:18px;
}
.ss-crumb a{ color:var(--text-3); }
.ss-crumb a:hover{ color:var(--brand-2); }
.ss-crumb .is-current{ color:var(--text-2); }

.ss-hero{
  position:relative;
  overflow:hidden;
  min-height:308px;
  padding:54px 0 46px;
  display:flex;
  align-items:flex-end;
  background-image:
    linear-gradient(100deg, rgba(7,11,28,.90) 0%, rgba(7,11,28,.74) 48%, rgba(10,26,58,.62) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line-soft);
}
.ss-hero::after{
  content:"";
  position:absolute;
  left:-140px; bottom:-180px;
  width:460px; height:460px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(58,111,247,.34), transparent 68%);
  opacity:.5;
  pointer-events:none;
}
.ss-hero__inner{ position:relative; z-index:1; max-width:780px; }
.ss-hero h1{
  font-size:40px;
  line-height:1.2;
  margin:16px 0 12px;
  letter-spacing:-.2px;
}
.ss-hero p{
  margin:0 0 24px;
  font-size:17px;
  color:var(--text-2);
  max-width:660px;
}
.ss-anchors{ display:flex; flex-wrap:wrap; gap:10px; }
.ss-anchors a{
  padding:9px 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.045);
  font-size:14px;
  color:var(--text-2);
  transition:transform .2s cubic-bezier(.2,.8,.2,1), border-color .2s, color .2s;
}
.ss-anchors a:hover{ color:#fff; border-color:rgba(47,217,197,.5); transform:translateY(-2px); }

@media (max-width:1023px){
  .ss-hero{ min-height:280px; padding:44px 0 38px; }
  .ss-hero h1{ font-size:34px; }
}
@media (max-width:639px){
  .ss-hero{ min-height:250px; padding:36px 0 32px; }
  .ss-hero h1{ font-size:28px; }
  .ss-hero p{ font-size:15.5px; }
}

/* ================= 标签筛选 ================= */
.ss-tagbar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  padding:16px;
  border-radius:16px;
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.ss-tag{
  padding:8px 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:transparent;
  color:var(--text-2);
  font-size:14px;
  cursor:pointer;
  transition:background .2s, border-color .2s, color .2s, transform .2s;
}
.ss-tag:hover{ color:#fff; border-color:rgba(47,217,197,.5); transform:translateY(-2px); }
.ss-tag.is-active{
  background:rgba(47,217,197,.14);
  border-color:rgba(47,217,197,.5);
  color:#fff;
  font-weight:600;
}

/* ================= 卡片与瀑布墙 ================= */
.ss-wall .cell{ margin-bottom:24px; }
@media (max-width:639px){ .ss-wall .cell{ margin-bottom:16px; } }

.ss-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--surface-1);
  border:1px solid var(--line-soft);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-card);
  transition:transform .2s cubic-bezier(.2,.8,.2,1), border-color .2s;
}
.ss-card:hover{ transform:translateY(-4px); border-color:rgba(47,217,197,.45); }
.ss-card__media{ position:relative; display:block; overflow:hidden; aspect-ratio:16/10; background:var(--surface-2); }
.ss-card__media img{ width:100%; height:100%; object-fit:cover; transition:transform .25s ease; }
.ss-card:hover .ss-card__media img{ transform:scale(1.04); }
.ss-card__badge{ position:absolute; left:14px; top:14px; z-index:1; }
.ss-card__body{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:20px 22px 24px;
  flex:1;
}
.ss-meta{ display:flex; align-items:center; gap:10px; flex-wrap:wrap; font-size:13px; color:var(--text-3); }
.ss-meta time{ font-family:var(--font-num); font-size:13px; color:var(--text-3); }
.ss-card__body h3{ font-size:20px; line-height:1.45; }
.ss-card__body h3 a{ color:var(--text-1); }
.ss-card__body h3 a:hover{ color:var(--brand-2); }
.ss-card__body p{
  margin:0;
  font-size:15px;
  color:var(--text-2);
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

.ss-card--overlay{
  position:relative;
  display:block;
  border-radius:var(--r-card);
  overflow:hidden;
  min-height:330px;
  border:1px solid var(--line-soft);
  box-shadow:var(--sh-card);
  transition:transform .2s cubic-bezier(.2,.8,.2,1), border-color .2s;
}
.ss-card--overlay:hover{ transform:translateY(-4px); border-color:rgba(47,217,197,.45); }
.ss-card--overlay img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .25s ease;
}
.ss-card--overlay:hover img{ transform:scale(1.04); }
.ss-card--overlay::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(7,11,28,.20) 22%, rgba(7,11,28,.90) 100%);
  transition:background .25s;
}
.ss-card--overlay:hover::after{
  background:linear-gradient(180deg, rgba(7,11,28,.32) 18%, rgba(7,11,28,.95) 100%);
}
.ss-card__overlay{
  position:relative;
  z-index:1;
  min-height:330px;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  gap:10px;
  padding:24px;
}
.ss-card__overlay h3{ font-size:21px; line-height:1.45; }
.ss-card__overlay h3 a{ color:var(--text-1); }
.ss-card__overlay h3 a:hover{ color:var(--brand-2); }
.ss-card__overlay time{ font-family:var(--font-num); font-size:13px; color:var(--text-2); }
.ss-card__overlay p{ margin:0; font-size:14.5px; color:var(--text-2); }

.ss-card--wide .ss-card__row{ display:flex; flex-wrap:wrap; }
.ss-card--wide .ss-card__media{
  aspect-ratio:auto;
  min-height:240px;
  border-radius:0;
}
.ss-card--wide .ss-card__body{ padding:26px 28px 28px; }
.ss-stats{ display:flex; flex-wrap:wrap; gap:26px; margin-top:6px; }
.ss-stats span{ display:block; }
.ss-stats b{
  display:block;
  font-family:var(--font-num);
  font-size:26px;
  line-height:1.2;
  color:var(--accent);
  letter-spacing:-.5px;
}
.ss-stats em{ font-style:normal; font-size:13px; color:var(--text-3); }
@media (max-width:639px){
  .ss-card--wide .ss-card__media{ min-height:190px; }
  .ss-card__body{ padding:18px 18px 22px; }
  .ss-card__body h3{ font-size:18px; }
}

/* ================= 时间线 ================= */
.ss-timeline{
  list-style:none;
  position:relative;
  margin-top:26px;
  padding-left:28px;
}
.ss-timeline::before{
  content:"";
  position:absolute;
  left:6px; top:8px; bottom:10px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg, var(--brand-2), rgba(58,111,247,.22));
  opacity:.75;
}
.ss-timeline li{ position:relative; padding-bottom:26px; }
.ss-timeline li:last-child{ padding-bottom:0; }
.ss-timeline__dot{
  position:absolute;
  left:-28px;
  top:8px;
  width:14px; height:14px;
  border-radius:50%;
  background:var(--bg-base);
  border:2px solid var(--brand-2);
  box-shadow:0 0 0 4px rgba(47,217,197,.14);
}
.ss-timeline time{
  font-family:var(--font-num);
  font-size:13px;
  color:var(--brand-2);
  display:block;
  margin-bottom:2px;
}
.ss-timeline h3{ font-size:18px; margin-bottom:4px; }
.ss-timeline p{ margin:0; font-size:14.5px; color:var(--text-2); }

.ss-glass{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh-card);
}
.ss-glass h3{ font-size:19px; margin-bottom:6px; }
.ss-glass p{ font-size:14.5px; color:var(--text-2); margin:0; }
.ss-kv{ list-style:none; display:grid; gap:12px; margin-top:18px; }
.ss-kv li{
  display:flex;
  justify-content:space-between;
  gap:12px;
  font-size:14.5px;
  color:var(--text-2);
  padding-bottom:12px;
  border-bottom:1px dashed var(--line-soft);
}
.ss-kv li:last-child{ border-bottom:0; padding-bottom:0; }
.ss-kv b{ color:var(--text-1); font-weight:600; }

/* ================= 紧凑列表卡 ================= */
.ss-mini{
  display:flex;
  align-items:center;
  gap:16px;
  padding:16px;
  background:var(--surface-1);
  border:1px solid var(--line-soft);
  border-radius:16px;
  transition:transform .2s cubic-bezier(.2,.8,.2,1), border-color .2s;
}
.ss-mini:hover{ transform:translateY(-2px); border-color:rgba(47,217,197,.4); }
.ss-mini img{ width:110px; height:78px; object-fit:cover; border-radius:12px; flex:none; }
.ss-mini h3{ font-size:17px; line-height:1.5; margin-bottom:6px; }
.ss-mini h3 a{ color:var(--text-1); }
.ss-mini h3 a:hover{ color:var(--brand-2); }
.ss-mini p{
  margin:0;
  font-size:14px;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.ss-mini .ss-meta{ margin-top:8px; }
@media (max-width:639px){
  .ss-mini{ flex-direction:column; align-items:stretch; }
  .ss-mini img{ width:100%; height:150px; }
}

/* ================= FAQ ================= */
.ss-accordion{ display:grid; gap:12px; }
.ss-acc-item{
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--surface-1);
  overflow:hidden;
  transition:border-color .2s;
}
.ss-acc-item:hover{ border-color:rgba(47,217,197,.35); }
.ss-acc-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  background:transparent;
  border:0;
  color:var(--text-1);
  font-size:17px;
  font-weight:600;
  text-align:left;
  cursor:pointer;
  transition:background .2s;
}
.ss-acc-q:hover{ background:rgba(255,255,255,.03); }
.ss-acc-q i{ color:var(--brand-2); font-size:14px; transition:transform .2s ease; flex:none; }
.ss-acc-item.is-open .ss-acc-q i{ transform:rotate(180deg); }
.ss-acc-a{ padding:0 20px 20px; }
.ss-acc-a p{ margin:0; font-size:15.5px; line-height:1.8; color:var(--text-2); }
.ss-acc-a[hidden]{ display:none; }

/* ================= CTA ================= */
.ss-cta{
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  padding:40px;
  border-radius:24px;
  border:1px solid var(--line);
  background:linear-gradient(120deg, rgba(23,32,63,.94), rgba(12,18,38,.94));
  box-shadow:var(--sh-card);
}
.ss-cta::after{
  content:"";
  position:absolute;
  right:-90px; top:-140px;
  width:400px; height:400px;
  background:radial-gradient(circle, rgba(47,217,197,.22), transparent 66%);
  pointer-events:none;
}
.ss-cta h2{ font-size:26px; margin-bottom:8px; position:relative; z-index:1; }
.ss-cta p{ margin:0; font-size:15.5px; color:var(--text-2); max-width:580px; position:relative; z-index:1; }
.ss-cta__btns{ display:flex; flex-wrap:wrap; gap:14px; position:relative; z-index:1; }
@media (max-width:639px){
  .ss-cta{ padding:26px; border-radius:20px; }
  .ss-cta h2{ font-size:21px; }
  .ss-cta__btns{ width:100%; }
  .ss-cta__btns .ss-btn{ flex:1; }
}

/* ================= 页脚 ================= */
.ss-footer{
  background:var(--bg-deep);
  border-top:1px solid var(--line-soft);
  padding:66px 0 26px;
  margin-top:0;
}
.ss-footer h4{ font-size:16px; margin-bottom:16px; }
.ss-footer p{ font-size:14.5px; color:var(--text-2); max-width:380px; margin:0 0 18px; }
.ss-footer ul{ list-style:none; display:grid; gap:10px; }
.ss-footer ul a{ font-size:14.5px; color:var(--text-2); }
.ss-footer ul a:hover{ color:var(--brand-2); }
.ss-footer__contact{ display:grid; gap:10px; font-size:14px; color:var(--text-3); }
.ss-footer__contact i{ color:var(--brand-2); margin-right:8px; width:14px; }
.ss-footer__form label{ display:block; font-size:14px; color:var(--text-3); margin-bottom:8px; }
.ss-input{
  width:100%;
  height:44px;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--text-1);
  padding:0 14px;
  font-size:15px;
  font-family:inherit;
  transition:border-color .2s, box-shadow .2s;
}
.ss-input::placeholder{ color:var(--text-3); }
.ss-input:focus{ outline:none; border-color:var(--brand-2); box-shadow:0 0 0 3px rgba(47,217,197,.18); }
.ss-footer__form .ss-btn{ margin-top:12px; }
.ss-form-note{ font-size:13px; color:var(--text-3); margin:10px 0 0; }
.ss-form-note.is-ok{ color:var(--ok); }
.ss-form-note.is-err{ color:var(--err); }
.ss-footer__bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  margin-top:42px;
  padding-top:22px;
  border-top:1px solid var(--line-soft);
  font-size:13px;
  color:var(--text-3);
}
.ss-footer__bottom a{ color:var(--text-3); margin-left:16px; }
.ss-footer__bottom a:hover{ color:var(--brand-2); }
@media (max-width:639px){
  .ss-footer{ padding:48px 0 22px; }
  .ss-footer__bottom a{ margin-left:0; margin-right:16px; }
}